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vol.36 issue1Nuclear DNA content in Galaxias maculatus (Teleostei: Osmeriformes: Galaxiidae)Report of Schedophilus haedrichi Chirichigno, 1973 (Osteichthyes: Centrolophidae) and its extended geographic distribution range in the Colombian Pacific Ocean author indexsubject indexarticles search
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Latin american journal of aquatic research

On-line version ISSN 0718-560X

Abstract

TOBON-LOPEZ, Alexander; RUBIO, Efraín A  and  GIRALDO, Alan. Composition and taxonomic analysis of the fish fauna in the Gulf of Tribugá, northern Colombian Pacific. Lat. Am. J. Aquat. Res. [online]. 2008, vol.36, n.1, pp.93-104. ISSN 0718-560X.

A taxonomical and structural analysis of the fish community in the Gulf of Tribugá, northern Colombian Pacific, was done based on information from different artisanal fishing techniques (hand lines, long lines, gillnets, trawl nets, harpoons, throw nets) and visual identification by scuba diving. As many as 191 species were registered, belonging to 21 orders and 68 families. Hand lines (71 species) and long lines (41 species) were used systematically and consecutively throughout the sampling period. Therefore, the catch analysis was carried out using only the fish caught with these two techniques. The most abundant families were Carangidae (8.9%), Serranidae (6.3%), and Lutjanidae (4.2%). These families, along with Scombridae and Ophidiidae, contributed the most in number, biomass, commercial importance, and human consumption by the local communities. The top ten species captured during sampling were the skipjack tuna (Euthynnus lineatus), sierra mackerel (Scomberomorus sierra), Gulf Coney (Epinephelus acanthistius), Clark's brotula (Brotula clarkae), spotted rose snapper (Lutjanus guttatus), yellow snapper (Lutjanus argentiventris), almaco jack (Serióla rivoliana), Pacific crevalle jack (Caranx caninus), green jack (Caranx caballus), and purse-eyed scad {Selar crumenophthalmus). The mocosa ruff, Schedophilus haedrichi (Centrolophidae), is reported for first time in the northern Colombian Pacific.

Keywords : composition; fish community; artisanal fishing gear; Schedophilus haedrichi; Gulf of Tribugá; eastern Tropical Pacific.

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