| Genus | Species | Introduced to | Introduced from | Year | Reason 1 | Reason 2 | Reason 3 | Introducer | Established in the wild | Established through | As aquaculture species | Ecological effects | Type of ecological effects | Socio- economic effects | Type of socio- economic effects |
| Abramis | ballerus | Former USSR | unknown | 1957 | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Abramis | bjoerkna | Cyprus | UK | 1972 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Abramis | bjoerkna | Italy | unknown | 1993 | unknown | unknown | probably yes | natural reproduction | unknown | unknown | |||||
| Abramis | brama | Former USSR | unknown | 1932 | unknown | unknown | probably no | unknown | unknown | ||||||
| Abramis | brama | Ireland | England | 17th-18th century | angling/sport | individual | yes | natural reproduction | unknown | probably no | |||||
| Abramis | brama | Italy | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Abramis | brama | Spain | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Abramis | brama | Turkey | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Abudefduf | saxatilis | Italy | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Acanthalburnus | microlepis | Iraq | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Acanthobrama | terraesanctae | Israel | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Acanthogobius | flavimanus | Australia | Japan | 1971 | accidental | other introducer | yes | natural reproduction | unknown | unknown | |||||
| Acanthogobius | flavimanus | USA | Japan | 1963 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Achatina | fulica | Taiwan Island (Prov. of China) | Singapore | 1932 | unknown | unknown | yes | natural reproduction | yes | adverse | yes | adverse | |||
| Acipenser | baeri | Estonia | Russia | 1960s, 1990s | aquaculture | fisheries | government | no | rarely used | no | unknown | ||||
| Acipenser | baeri | Former USSR | unknown | 1956 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Acipenser | baeri | France | USSR | 1975 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Acipenser | baeri | Hungary | Russia | 1982 | aquaculture | research | government | no | widely used | yes | beneficial | yes | beneficial | ||
| Acipenser | baeri | Japan | USSR | 1964 | fisheries | unknown | no | unknown | unknown | ||||||
| Acipenser | baeri | Poland | Russia | 1993 | aquaculture | research | fisheries | government | no | continuous restocking | rarely used | unknown | yes | undecided | |
| Acipenser | baeri | Uzbekistan (Syr Darya basin) | unknown | unknown | unknown | unknown | yes | natural reproduction | probably no | unknown | |||||
| Acipenser | fulvescens | Former USSR | unknown | 1969 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Acipenser | gueldenstaedti | Estonia | Russia | 1962, 1990s | aquaculture | fisheries | government | no | rarely used | no | probably no | ||||
| Acipenser | gueldenstaedti | Poland | Russia | 1992-93 | aquaculture | research | fisheries | government | no | continuous restocking | rarely used | unknown | yes | undecided | |
| Acipenser | gueldenstaedti X ruthenus | Israel | Russia | unknown | aquaculture | private sector | probably no | rarely used | unknown | unknown | |||||
| Acipenser | gueldenstaedti gueldenstaedti | Finland | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Acipenser | gueldenstaedti gueldenstaedti | Former USSR | unknown | 1962 | unknown | unknown | no | unknown | unknown | ||||||
| Acipenser | gueldenstaedti gueldenstaedti | Japan | USSR | 1963 | fisheries | unknown | no | unknown | unknown | ||||||
| Acipenser | gueldenstaedti gueldenstaedti | Sweden | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Acipenser | ruthenus | Estonia | Russia | 1980s-1990s | aquaculture | private sector | no | rarely used | no | probably no | |||||
| Acipenser | ruthenus | Finland | USSR | 1920s, 1958 | angling/sport | aquaculture | private sector | probably no | rarely used | unknown | unknown | ||||
| Acipenser | ruthenus | Former USSR | unknown | 1763 | unknown | unknown | probably no | unknown | unknown | ||||||
| Acipenser | ruthenus | France | Hungary | 1976, 1980 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Acipenser | ruthenus | Germany | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Acipenser | ruthenus | Poland | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Acipenser | ruthenus | Sweden | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Acipenser | spp. | Czech Republic | Russia | 1992-1993 | aquaculture | ornamental | private sector | probably no | no | yes | beneficial | ||||
| Acipenser | transmontanus | Italy | unknown | 1987 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Acrossocheilus | hexagonolepis | Papua New Guinea | Nepal | 1993 | fisheries | intern. organization | unknown | unknown | probably yes | undecided | |||||
| Aequidens | pulcher | USA | unknown | unknown | ornamental | unknown | no | unknown | unknown | ||||||
| Alburnus | alburnus | Cyprus | UK | 1972 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Alburnus | alburnus | Spain | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Alepes | djedaba | Israel | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Alligator | mississippiensis | Taiwan Island (Prov. of China) | unknown | unknown | aquaculture | unknown | probably no | widely used | unknown | yes | beneficial | ||||
| Alosa | sapidissima | Canada | USA | unknown | diffused from other countries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ambloplites | rupestris | France | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ambloplites | rupestris | Mexico | USA | unknown | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Ambloplites | rupestris | UK | USA | 1930 | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | catus | Philippines | USA (California) | 1935 | aquaculture | unknown | no | no | no | ||||||
| Ameiurus | catus | Puerto Rico | USA | 1938 | angling/sport | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | Albania | unknown | unknown | unknown | unknown | probably yes | unknown | unknown | ||||||
| Ameiurus | melas | Belgium | North America | 1882, 1892 | aquaculture | private sector | yes | natural reproduction | yes | adverse | probably no | ||||
| Ameiurus | melas | Canada | USA | unknown | diffused from other countries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | Chile | USA | 1907 | fisheries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | Former USSR | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | France | USA | 1871 | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | Germany | USA | 1885 | unknown | unknown | probably yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | Hungary | Germany, Italy | 1902, 1980 | aquaculture | accidental | government | yes | natural reproduction | rarely used | yes | adverse | unknown | ||
| Ameiurus | melas | Ireland | unknown | unknown | unknown | unknown | probably yes | unknown | unknown | ||||||
| Ameiurus | melas | Italy | North America | 1900s | aquaculture | unknown | yes | natural reproduction | widely used | unknown | yes | beneficial | |||
| Ameiurus | melas | Netherlands | USA, France and Germany | 1900 | aquaculture | unknown | yes | natural reproduction | widely used | unknown | probably yes | beneficial | |||
| Ameiurus | melas | Norway | USA | 1890 | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Ameiurus | melas | Poland | Germany | 1900s | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Ameiurus | melas | Spain | unknown | 1980s | fisheries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | melas | Switzerland | unknown | unknown | aquaculture | individual | yes | natural reproduction | rarely used | probably yes | undecided | probably yes | adverse | ||
| Ameiurus | melas | UK | Italy | unknown | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Ameiurus | melas | Yugoslavia | USA | 1905 | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Ameiurus | natalis | Italy | unknown | 1906 | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | natalis | Mexico | USA | 1978 | aquaculture | fisheries | government | yes | both | widely used | yes | beneficial | yes | beneficial | |
| Ameiurus | nebulosus | Austria | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Canada | USA | unknown | diffused from other countries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Chile | USA | 1908 | fisheries | unknown | probably yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | China | America | 1984 | aquaculture | individual | no | rarely used | unknown | unknown | |||||
| Ameiurus | nebulosus | Czechoslovakia | USA | end of 1800s | angling/sport | aquaculture | fisheries | individual | yes | natural reproduction | no | no | |||
| Ameiurus | nebulosus | Finland | Germany | 1922, 1924 | angling/sport | fisheries | private sector | yes | natural reproduction | unknown | unknown | ||||
| Ameiurus | nebulosus | Former USSR | unknown | unknown | fisheries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | France | unknown | 1930, 1950 | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Germany | unknown | 1885 | aquaculture | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Hawaii | USA (California) | 1893 | unknown | unknown | no | unknown | unknown | ||||||
| Ameiurus | nebulosus | Hungary | Germany | 1902, 1904 | other pest control | aquaculture | fisheries | private sector | yes | natural reproduction | rarely used | yes | adverse | unknown | |
| Ameiurus | nebulosus | Ireland | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Italy | North America | 1900s | unknown | unknown | probably yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Netherlands | Belgium | 1900 | diffused from other countries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | New Zealand | USA (California) | 1877 | angling/sport | individual | yes | natural reproduction | probably no | unknown | |||||
| Ameiurus | nebulosus | Poland | Germany | historical | aquaculture | individual | yes | natural reproduction | rarely used | probably yes | adverse | probably yes | adverse | ||
| Ameiurus | nebulosus | Puerto Rico | USA | 1915, 1916, 1946 | angling/sport | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Romania | Eastern Europe | 1910 | diffused from other countries | unknown | yes | natural reproduction | probably no | no | |||||
| Ameiurus | nebulosus | Spain | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Turkey | North America | unknown | accidental | unknown | probably no | unknown | unknown | ||||||
| Ameiurus | nebulosus | UK | Italy | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Ameiurus | nebulosus | Viet Nam | USA probably | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Ameiurus | nebulosus | Yugoslavia | unknown | unknown | aquaculture | unknown | yes | natural reproduction | unknown | unknown | |||||
| Anabas | ansorgii | Madagascar | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Anabas | testudineus | Indonesia (Irian Jaya) | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Anabas | testudineus | Papua New Guinea | Indonesia | 1985 | diffused from other countries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Anabas | testudineus | Philippines | Malaysia | unknown | aquaculture | individual | yes | natural reproduction | widely used | unknown | probably yes | beneficial | |||
| Anabas | testudineus | USA | Southeast Asia | unknown | ornamental | unknown | no | unknown | unknown | ||||||
| Anchoa | compressa | Hawaii | USA | 1932 | bait | private sector | no | unknown | unknown | ||||||
| Ancistrus | spp. | Hawaii | unknown | 1980s | unknown | unknown | unknown | unknown | unknown | ||||||
| Anguilla | anguilla | Brazil | France | 1977, 1980 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | anguilla | Eritrea | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Anguilla | anguilla | Finland | France, Denmark, Sweden | 1960, 1970, 1989 | research | fisheries | government | yes | continuous restocking | unknown | yes | beneficial | |||
| Anguilla | anguilla | Indonesia | England, France, Denmark | 1992 | aquaculture | private sector | no | widely used | probably no | yes | beneficial | ||||
| Anguilla | anguilla | Iran | unknown | unknown | aquaculture | fisheries | accidental | unknown | yes | continuous restocking | rarely used | unknown | probably yes | beneficial | |
| Anguilla | anguilla | Israel | France | continual | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | anguilla | Japan | France, Italy and England | 1964, 1969 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | anguilla | Romania | Central Europe | 1886 | diffused from other countries | unknown | yes | continuous restocking | no | no | |||||
| Anguilla | anguilla | Taiwan Island (Prov. of China) | Europe | 1976 | aquaculture | unknown | no | unknown | unknown | ||||||
| Anguilla | anguilla | Turkey | unknown | unknown | aquaculture | fisheries | accidental | unknown | yes | continuous restocking | rarely used | unknown | probably yes | beneficial | |
| Anguilla | australis | Italy | New Zealand | 1975 | other reasons | unknown | probably yes | unknown | unknown | ||||||
| Anguilla | australis | Japan | New Zealand | 1975 | other reasons | unknown | probably yes | unknown | unknown | ||||||
| Anguilla | australis | USA | New Zealand | unknown | unknown | unknown | probably yes | continuous restocking | unknown | unknown | |||||
| Anguilla | japonica | Brazil | Japan | 1977 onwards | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | japonica | France | unknown | unknown | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | japonica | Germany | unknown | unknown | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | japonica | Guam | unknown | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Anguilla | japonica | Italy | unknown | unknown | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | japonica | Thailand | Japan | 1973 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Anguilla | japonica | USA | Japan | unknown | unknown | unknown | yes | unknown | unknown | ||||||
| Anguilla | rostrata | Guam | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Anisotremus | virginicus | Bermuda | Bahamas | 1920s | angling/sport | private sector | no | unknown | unknown | ||||||
| Anodonta | grandis | Dominican Republic | USA | unknown | accidental | government | yes | natural reproduction | probably no | yes | beneficial | ||||
| Anodonta | woodiana | Costa Rica | unknown | 1990s | accidental | unknown | yes | natural reproduction | probably yes | adverse | probably yes | adverse | |||
| Anodonta | woodiana | Dominican Republic | unknown | 1990s | accidental | unknown | yes | natural reproduction | probably yes | adverse | probably yes | adverse | |||
| Anodonta | woodiana | France | unknown | 1990s | accidental | unknown | no | probably yes | adverse | probably yes | adverse | ||||
| Anodonta | woodiana | Hungary | unknown | 1990s | accidental | unknown | no | probably yes | adverse | probably yes | adverse | ||||
| Anodonta | woodiana | Indonesia | Taiwan Island (Prov. of China) | unknown | accidental | unknown | yes | natural reproduction | probably yes | adverse | probably yes | adverse | |||
| Anodonta | woodiana | Japan | Taiwan Island (Prov. of China) | 1962 | unknown | unknown | no | unknown | unknown | ||||||
| Anodonta | woodiana | Romania | unknown | 1990s | accidental | unknown | no | probably yes | adverse | probably yes | adverse | ||||
| Aphanius | dispar | Israel | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Aphanius | dispar | Oman | unknown | unknown | mosquito control | unknown | yes | natural reproduction | unknown | unknown | |||||
| Aphanius | dispar | Saudi Arabia | unknown | unknown | mosquito control | unknown | probably no | unknown | unknown | ||||||
| Aplocheilus | lineatus | Hawaii | unknown | 1960 | ornamental | unknown | no | unknown | unknown | ||||||
| Aplocheilus | panchax | Indonesia | Islands West of Wallace line | unknown | mosquito control | unknown | yes | natural reproduction | unknown | unknown | |||||
| Aplodinotus | grunniens | Japan | USA | 1960 | aquaculture | unknown | no | unknown | unknown | ||||||
| Apogon | nigripinnis | Israel | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Arapaima | gigas | Cuba | Peru | 1973, 1982 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Arapaima | gigas | Mexico | Brazil | 1964 | aquaculture | unknown | no | unknown | unknown | ||||||
| Argopecten | irradians | China | USA | 1981-1982 | aquaculture | government | yes | natural reproduction | widely used | probably no | yes | beneficial | |||
| Asparagopsis | armata | Spain | unknown | 1930s | diffused from other countries | other introducer | yes | natural reproduction | unknown | unknown | |||||
| Aspatharia | wahlbergi | Zambia | Lake Kariba | 1980 | aquaculture | unknown | unknown | unknown | unknown | ||||||
| Aspius | aspius | Cyprus | Czechoslovakia | 1990 | angling/sport | unknown | probably yes | natural reproduction | unknown | unknown | |||||
| Aspius | aspius | France | unknown | 1990s | unknown | unknown | probably yes | unknown | unknown | ||||||
| Aspius | aspius | Kazakhstan (Lake Balkhash) | unknown | 1957-1958 | fisheries | unknown | unknown | unknown | unknown | ||||||
| Aspius | aspius | Netherlands | Germany | 1984 | diffused from other countries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astacus | astacus | Morocco | France | 1914, 1930 | fisheries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astacus | leptodactylus | Austria | unknown | 1900 | aquaculture | unknown | yes | natural reproduction | probably no | probably yes | beneficial | ||||
| Astacus | leptodactylus | France | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astacus | leptodactylus | Germany | Eastern Europe | unknown | fisheries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astacus | leptodactylus | UK | unknown | early 1970s | other reasons | aquaculture | private sector | yes | natural reproduction | probably yes | adverse | unknown | |||
| Astatoreochromis | alluaudi | Cameroon | Uganda | 1960s | snail control | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astatoreochromis | alluaudi | Central African Republic | Uganda | 1969 | snail control | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astatoreochromis | alluaudi | Congo | Uganda | 1960-1970 | snail control | intern. organization | probably no | unknown | unknown | ||||||
| Astatoreochromis | alluaudi | Zaire | Uganda | 1960s | snail control | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astatoreochromis | alluaudi | Zambia | Uganda | 1979 | snail control | unknown | no | unknown | unknown | ||||||
| Astronotus | ocellatus | Australia | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Astronotus | ocellatus | Côte d'Ivoire | Hong Kong | 1976 | unknown | unknown | probably no | unknown | unknown | ||||||
| Astronotus | ocellatus | Guam | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astronotus | ocellatus | Hawaii | USA (California) | 1952 | fisheries | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astronotus | ocellatus | Italy | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Astronotus | ocellatus | Puerto Rico | unknown | unknown | ornamental | unknown | no | unknown | unknown | ||||||
| Astronotus | ocellatus | USA | South America | 1952, 1958 | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Astyanax | orthodus | Namibia | unknown | unknown | ornamental | individual | yes | natural reproduction | unknown | unknown | |||||
| Atherinomorus | lacunosus | Cyprus | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Atherinomorus | lacunosus | Egypt | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Atherinomorus | lacunosus | Israel | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Atherinomorus | lacunosus | Libya | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Atherinomorus | lacunosus | Turkey | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Aulacomya | ater | UK | unknown | 1994 | unknown | unknown | unknown | unknown | unknown | ||||||
| Aulonocara | spp. | Israel | Africa | unknown | ornamental | unknown | yes | continuous restocking | unknown | unknown | |||||
| Bagrus | meridionalis | Zambia | Malawi | 1971 | fill ecological niche | unknown | no | unknown | unknown | ||||||
| Bagrus | meridionalis | Zimbabwe | Malawi | 1971 | fill ecological niche | unknown | probably no | unknown | unknown | ||||||
| Bairdiella | icistia | USA | South America | 1950 | fisheries | government | yes | natural reproduction | unknown | unknown | |||||
| Barbodes | spp. | Singapore | Thailand, Indonesia | 1960s | ornamental | private sector | no | probably yes | beneficial | yes | beneficial | ||||
| Barbus | aeneus | Zimbabwe | South Africa | 1927, 1964 | angling/sport | unknown | probably no | unknown | unknown | ||||||
| Barbus | anoplus | Namibia | South Africa | prior to 1974 | forage | private sector | yes | natural reproduction | unknown | unknown | |||||
| Barbus | apoensis | Saudi Arabia | unknown | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Barbus | barbus | Italy | unknown | 1994-1995 | unknown | unknown | probably yes | natural reproduction | probably yes | undecided | unknown | ||||
| Barbus | barbus | Morocco | France | 1920 | aquaculture | unknown | yes | natural reproduction | unknown | unknown | |||||
| Barbus | barbus | UK | unknown | 1956 | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Barbus | canis | Jordan | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Barbus | cyclolepis | Italy | unknown | 1994-1995 | unknown | unknown | probably yes | natural reproduction | probably yes | undecided | unknown | ||||
| Barbus | kimberleyensis | Zimbabwe | South Africa | 1928 | angling/sport | unknown | no | unknown | unknown | ||||||
| Barbus | meridionalis | Turkey | Europe | unknown | unknown | unknown | probably no | unknown | unknown | ||||||
| Barbus | natalensis | Zimbabwe | South Africa | 1960 | angling/sport | unknown | no | unknown | unknown | ||||||
| Batillaria | attramentaria | Canada | North Western Pacific | 1959 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Batillaria | attramentaria | USA | North Western Pacific | 1920s, 1941 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Bedeva | paivae | South Africa | Australia | prior to 1968 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Belonesox | belizanus | USA | Central America | 1957 | research | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | brederi | Guam | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | pugnax | Guam | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | splendens | Brazil | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | splendens | Canada | unknown | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Betta | splendens | Colombia | unknown | unknown | aquaculture | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | splendens | Dominican Republic | unknown | 1979 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | splendens | Singapore | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Betta | splendens | USA | unknown | unknown | ornamental | unknown | no | unknown | unknown | ||||||
| Bidyanus | bidyanus | Papua New Guinea | unknown | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Blackfordia | virginica | USA | unknown | 1992 | accidental | other introducer | yes | natural reproduction | unknown | unknown | |||||
| Boulengerochromis | microlepis | Zambia | Tanzania (Lake Tanganyika) | 1989 | aquaculture | private sector | probably no | unknown | unknown | ||||||
| Bufo | marinus | Australia | unknown | 1935 | unknown | unknown | yes | natural reproduction | probably yes | undecided | probably yes | undecided | |||
| Bythotrephes | cederstroemi | Canada (Ontario) | Europe | 1980s | accidental | unknown | yes | natural reproduction | yes | adverse | yes | adverse | |||
| Bythotrephes | cederstroemi | USA (Great Lakes) | Europe | 1980s | accidental | unknown | yes | natural reproduction | yes | adverse | yes | adverse | |||
| Caiman | latirostris | Taiwan Island (Prov. of China) | unknown | unknown | aquaculture | unknown | probably no | widely used | unknown | yes | beneficial | ||||
| Callinectes | sapidus | Bulgaria (Black Sea) | Western Atlantic | unknown | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Callinectes | sapidus | Russia (Black Sea) | Western Atlantic | unknown | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Callinectes | sapidus | Ukraine (Black Sea) | Western Atlantic | unknown | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Callionymus | filamentosus | Israel | Red Sea | unknown | diffused from other countries (Lessepsian migration) | unknown | yes | unknown | unknown | ||||||
| Carassius | auratus | Afghanistan | unknown | unknown | research | ornamental | accidental | unknown | yes | natural reproduction | unknown | unknown | |||
| Carassius | auratus | Albania | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Argentina | unknown | 1890s | ornamental | private sector | probably yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Australia | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Austria | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Bolivia | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Brazil | Japan | 1920s | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Bulgaria | unknown | unknown | unknown | unknown | yes | continuous restocking | unknown | unknown | |||||
| Carassius | auratus | Canada | unknown | 1600s | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Chile | unknown | 1856 | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | China | Japan | 1976 | aquaculture | unknown | yes | natural reproduction | widely used | unknown | yes | beneficial | |||
| Carassius | auratus | Colombia | USA | 1940 | forage | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Croatia | unknown | unknown | unknown | unknown | yes | natural reproduction | probably yes | adverse | probably yes | adverse | |||
| Carassius | auratus | Cyprus | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Estonia | Russia | 1948 | angling/sport | fisheries | government | yes | natural reproduction | probably yes | undecided | no | |||
| Carassius | auratus | Fiji | unknown | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Carassius | auratus | Former USSR | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | France | unknown | 17th century | aquaculture | unknown | yes | natural reproduction | widely used | unknown | probably yes | beneficial | |||
| Carassius | auratus | Germany | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Greece | unknown | unknown | unknown | unknown | probably yes | unknown | unknown | ||||||
| Carassius | auratus | Hawaii | China | 1900 | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Hungary | unknown | before1900 | diffused from other countries | other introducer | yes | natural reproduction | yes | adverse | unknown | ||||
| Carassius | auratus | India | Japan | unknown | ornamental | individual | yes | natural reproduction | yes | undecided | probably no | ||||
| Carassius | auratus | Indonesia | China | unknown | aquaculture | private sector | yes | natural reproduction | widely used | unknown | probably yes | beneficial | |||
| Carassius | auratus | Iran | unknown | unknown | research | ornamental | accidental | unknown | yes | natural reproduction | unknown | unknown | |||
| Carassius | auratus | Iraq | unknown | late 1960s | aquaculture | government | yes | natural reproduction | rarely used | probably yes | beneficial | unknown | |||
| Carassius | auratus | Israel | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Italy | Brazil | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Korea Republic | Japan | 1972 | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Carassius | auratus | Madagascar | France | 1861 | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Mauritius | Madagascar and Asia | 1953 and unknown | aquaculture | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Mexico | China, France | 1872, 1890s | aquaculture | ornamental | government | yes | natural reproduction | rarely used | yes | adverse | probably yes | adverse | |
| Carassius | auratus | New Zealand | UK and Australia | 1864-1868 | ornamental | individual | yes | natural reproduction | probably no | unknown | |||||
| Carassius | auratus | Papua New Guinea | unknown | unknown | aquaculture | unknown | probably yes | unknown | unknown | ||||||
| Carassius | auratus | Peru | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Poland | unknown | unknown | aquaculture | private sector | yes | rarely used | unknown | probably no | |||||
| Carassius | auratus | Portugal | unknown | historical | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Puerto Rico | USA | 1914 | ornamental | unknown | probably no | unknown | unknown | ||||||
| Carassius | auratus | Romania | Germany | 1927 | diffused from other countries | unknown | yes | natural reproduction | widely used | probably yes | beneficial | yes | beneficial | ||
| Carassius | auratus | Samoa | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Singapore | China and Japan | 1900s | ornamental | private sector | no | probably yes | beneficial | yes | beneficial | ||||
| Carassius | auratus | South Africa | unknown | prior to 1726 | ornamental | unknown | yes | natural reproduction | yes | adverse | yes | beneficial | |||
| Carassius | auratus | Spain | unknown | 17th century | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Taiwan Island (Prov. of China) | China | historical | aquaculture | unknown | no | widely used | unknown | probably yes | beneficial | ||||
| Carassius | auratus | Thailand | China | 1692-1697 | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Turkey | unknown | unknown | research | ornamental | accidental | unknown | yes | natural reproduction | unknown | unknown | |||
| Carassius | auratus | UK | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | USA | Asia | 1680s | ornamental | forage | unknown | yes | natural reproduction | unknown | unknown | ||||
| Carassius | auratus | Uruguay | unknown | unknown | accidental | ornamental | individual | probably yes | natural reproduction | probably no | probably yes | undecided | |||
| Carassius | auratus | Viet Nam | China | unknown | aquaculture | unknown | unknown | unknown | unknown | ||||||
| Carassius | auratus | Yugoslavia FR | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus | Zimbabwe | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | auratus gibelio | Czechoslovakia | Hungary | 1972 | accidental | diffused from other countries | unknown | yes | natural reproduction | yes | adverse | no | |||
| Carassius | auratus gibelio | Uzbekistan (Syr Darya basin) | unknown | 1950s | aquaculture | unknown | yes | probably no | unknown | ||||||
| Carassius | carassius | Belgium | East Europe | historical | ornamental | unknown | yes | both | probably yes | undecided | probably yes | undecided | |||
| Carassius | carassius | Chile | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | carassius | Croatia | unknown | unknown | unknown | unknown | probably yes | unknown | unknown | ||||||
| Carassius | carassius | Cyprus | unknown | unknown | ornamental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | carassius | France | unknown | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carassius | carassius | Greece | unknown | unknown | unknown | unknown | probably yes | unknown | unknown | ||||||
| Carassius | carassius | India | UK | 1870 | ornamental | aquaculture | individual | yes | natural reproduction | rarely used | probably yes | undecided | probably yes | undecided | |
| Carassius | carassius | Iran | unknown | unknown | accidental | unknown | yes | continuous restocking | unknown | unknown | |||||
| Carassius | carassius | Italy | unknown | before 1850 | unknown | unknown | probably no | unknown | unknown | ||||||
| Carassius | carassius | Kenya | unknown | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Carassius | carassius | Philippines | Japan | 1964 | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Carassius | carassius | Sri Lanka | Europe | 1915 | unknown | unknown | probably yes | natural reproduction | unknown | unknown | |||||
| Carassius | carassius | Thailand | Japan | 1980 | aquaculture | unknown | probably no | rarely used | unknown | unknown | |||||
| Carassius | carassius | USA | unknown | unknown | unknown | unknown | no | unknown | unknown | ||||||
| Carcinus | maenas | Australia | unknown | unknown | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carcinus | maenas | New Zealand | unknown | unknown | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carcinus | maenas | South Africa | Europe | prior to 1983 | accidental | unknown | yes | natural reproduction | unknown | unknown | |||||
| Carcinus | maenas | USA | unknown | 1989 | accidental | unknown | yes | natural reproduction | yes | adverse | yes | adverse | |||
| Caridina | weberi | Hawaii | Pacific Islands | prior to 1990 | accidental | private sector | yes | natural reproduction | unknown | unknown | |||||
| Carpiodes | cyprinus | Mexico | USA | unknown | unknown | unknown | yes | natural reproduction | unknown | unknown | |||||
| Caspiomyzon | wagneri | Former USSR | unknown | 1968 | unknown | unknown | no | unknown | unknown | ||||||
| Catla | catla | Bhutan | unknown | 1985 | aquaculture | unknown | unknown | unknown | unknown | ||||||
| Catla | catla | China | India, Bangladesh | 1973 | aquaculture | other introducer | probably no | rarely used | probably no | unknown | |||||
| Catla | catla | Former USSR | unknown | 1966 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Catla | catla | Israel | Southeast Asia | unknown | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Catla | catla | Japan | India and Pakistan | 1960, 1970 | unknown | unknown | no | unknown | unknown | ||||||
| Catla | catla | Laos | Thailand and India | 1977 | aquaculture | intern. organization | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Catla | catla | Malaysia | India | 1960 | aquaculture | government | no | rarely used | unknown | unknown | |||||
| Catla | catla | Mauritius | India | 1960, 1973, 1975 | aquaculture | fisheries | unknown | yes | both | unknown | unknown | ||||
| Catla | catla | Pakistan | India | unknown | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Catla | catla | Philippines | India | 1964 | aquaculture | unknown | yes | natural reproduction | rarely used | unknown | unknown | ||||
| Catla | catla | Sri Lanka | India | 1942 | aquaculture | unknown | no | rarely used | unknown | unknown | |||||
| Catla | catla | Thailand | Bangladesh | 1979 | aquaculture | unknown | probably no | rarely used | unknown | unknown | |||||
| Catla | catla | Viet Nam | Laos | 1984 | aquaculture | intern. organization | yes | natural reproduction | widely used | probably yes | undecided | probably yes | undecided | ||
| Catla | catla | Zimbabwe | India | 1966 | unknown | unknown | probably no | unknown | unknown | ||||||
| Catostomus | commersoni | UK | unknown | unknown | unknown | unknown | unknown | unknown | unknown | ||||||
| Caulerpa | taxifolia | France | unknown | 1990s | accidental | unknown | yes | natural reproduction | yes | adverse | probably yes | adverse | |||
| Caulerpa | taxifolia | Italy | unknown | 1990s | accidental | unknown | yes | natural reproduction | yes | adverse | probably yes | adverse |