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Brachydeuterus auritus:   (click for more)

Brachydeuterus auritus:   (click for more)

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Synonyms
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  •    , Brachydeuterus (Otoperca) auritus and Otoperca aurita (of authors).
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  • Larinus auritus  Valenciennes, 1831: 501 (original description).
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  • Pristipoma macrophthalmus  Bleeker, 1863: 52.
    FAO Names
    En - Bigeye grunt, Fr - Lippu pelon, Sp - Burro ojón.
    3Alpha Code: GRB     Taxonomic Code: 1703626303
    Diagnostic Features
    Body oblong and compressed, its depth contained 2.6 to 3 times in standard length.  Lateral line scales 47-52 fairly large; 6 scale rows above and 11 or 12 below lateral line.  Eye large, 2.5 (juveniles) to 3.5 times in head length; mouth large and protrusible; snout shorter than eye diameter; chin with 2 pores, on each side of symphysis, very close to each other (thus easily mistaken as one pore only) and followed by a median groove.  Gillrakers on first arch 18 to 22 on lower arm.  Dorsal fin deeply notched with 10-13 moderately strong spines and 11 to13 soft rays; the third and sometimes also the fourth spine, longer than the others. Anal fin with 3 spines and 9-10 (rarely 8) soft rays. Caudal fin deeply emarginate.  Colour back olive, sides and belly silvery to white; a dark blotch on upper margin of opercle; sometimes small dark spots present on dorsal fin base. 
    Geographical Distribution

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    Very common on the western coast of Africa from Senegal to Angola. Occasionally, extending northwards to Morocco.
    Habitat and Biology
    Inhabits coastal waters. Occurs over sandy and muddy bottomsbetween 10 and 100 m depth, but is more common between 30 and 50 m. Feeds on invertebrates and small fishes.
    Size
    Maximum 30 cm; common to 15 to 23 cm.
    Interest to Fisheries
    Caught only with bottom trawls, gillnets, set nets and purse seines. The total catch reported for this species to FAO for 1999 was 22 405 t. The countries with the largest catches were Ghana (12 724 t) and Cote d'Ivoire (3 964 t).
    Marketed fresh, smoked and reduced to fishmeal.However, reported to be discarded in some countries (i.e. Senegal).
    Local Names
    Pla : Dégbé noumadoui .
    Polish : Otoperca .
    Krio : Kaiman .
    Bibliography
    Fischer , W.; G. Bianchi; W. B. Scott (eds.).- 1981Fiches FAO d'identification des espèces pour les besoins de la pêche. Atlantique centre-est; zones de pêche 34, 47 (en partie). Canada Fonds de Dépôt.Ottawa, Ministère des Pêcheries et Océans Canada, en accord avec l'Organisation des Nations Unies pour l'Alimentation et l'Agriculture, Vol. 1-7: pag. var. Fishbase: ICLARM .
    Ben-Tuvia, A. & R. McKay - 1986 Haemulidae. In: P.J.P. Whitehead et al ., (eds.). Fishes of the North-eastern Atlantic and the Mediterranean (FNAM). Unesco,Parisvol. II: 858-864.
    Roux, Ch.- 1990Haemulidae. In: J.C. Quero et al ., (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). Unesco, Portugal, vol. II: 783-788.
     
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