| Country | Name | Title and Address |
| Ceylon | D.E.S.Jayamaha | Assistant Fish Culturist |
| Ceylon Fisheries Corporation | ||
| Colombo | ||
| Dahomey | Harold Loko | Chargé de Recherches de l'Institut de Recherches |
| Appliquées du Dahomey | ||
| Service des Pêches, B.P.383, | ||
| Cotonou | ||
| Hungary | Janos Bakos | Research Engineer |
| Fish Farming Experimental Station | ||
| Szarvas, PF.47 | ||
| India | Rai Milan Bhowmick | Assistant Research Officer |
| Central Inland Fisheries | ||
| Research Institute (Sub-station) | ||
| 19 Cantonment Road, Cuttack, | ||
| Orissa | ||
| Kolliyil Hameed Ibrahim | Assistant Research Officer | |
| Central Inland Fisheries | ||
| Research Institute (Sub-station) | ||
| 19 Cantonment Road, Cuttack, | ||
| Orissa | ||
| Madagascar | Samuel Rajaona | Chef de la Division Pêche et Pisciculture |
| Ministère de l'Agriculture | ||
| B.P.332 | ||
| Tamatave | ||
| Nigeria | Moses Akinropo Obakin | Research Officer |
| Federal Fisheries Service | ||
| P.O.Box 12529, Lagos | ||
| Philippines | Medina N.Delmendo | Acting Chief, Freshwater |
| Fisheries Division | ||
| Philippine Fisheries Commission | ||
| Intramuros, Manila | ||
| Poland | Krzysztof Roland Goryczko | Assistant, River Laboratory |
| Trout Pond Farm | ||
| Inland Fisheries Institute | ||
| Gdañsk-Oliwa Bytowska 5 | ||
| Zygmunt Józef Okoniewski | Research Worker, Department of Fish Culture | |
| Inland Fisheries Institute | ||
| Warsaw - Piwarskiego | ||
| 14 m. 13 | ||
| Romania | Silvia-Vladimira Luscan | Scientific Secretary |
| Research and Designing Fish Culture Institute | ||
| Bd.Ana Ipatescu no.46 | ||
| Bucharest | ||
| Thailand | Vanich Varikul | Chief, Inland Fisheries |
| Station Section | ||
| Department of Fisheries | ||
| Bangkok 9 | ||
| Mek Boonbrahm | Head, Department of Fisheries | |
| Faculty of Fisheries | ||
| Kasetsart University | ||
| Bangkok 9 | ||
| Uganda | Gabriel Ddumba Luyimbazi | Regional Fisheries Officer |
| Ministry of Animal Industry | ||
| Game and Fisheries | ||
| Fisheries Department | ||
| P.O.Box 22, Kabale | ||
| U.A.R. | Abd El Rahman Mohamed El Bolock | Head of Fish Culture Research |
| Section | ||
| El Kanatir El Khairia | ||
| Yugoslavia | Djordje Kosoric | Senior Associate Research |
| Worker, Biology Institute | ||
| Sarajevo, Lenjimova 9/1 | ||
| Djordje Hristic | Fishery Biologist | |
| Zavod za ribarstvo | ||
| Belgrade |
