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Latin american journal of aquatic research

On-line version ISSN 0718-560X

Abstract

VALENCIA, Bellineth  and  GIRALDO, Alan. Hyperiids (Crustacea: Amphipoda) along the northern margin of the eastern tropical Pacific of Colombia. Lat. Am. J. Aquat. Res. [online]. 2009, vol.37, n.2, pp.265-273. ISSN 0718-560X.

In order to analyze the composition, abundance, and diversity of hyperiid amphipods at Punta Cruces and Cabo Marzo, on the northern Pacific coast of Colombia (eastern tropical Pacific), a sampling campaign was carried out in January 2008 that covered a nine-station sampling grid. Twenty species were found, of which Lestrigonus bengalensis and Hyperioides sibaginis were the most abundant (91% of the community at Cabo Marzo and 95% at Punta Cruces). Although the abundance and diversity were highly variable at both sites, they did not differ significantly (Mann Whitney; p > 0.05). Likewise, the similarity in terms of composition and abundance between the hyperiid communities at Punta Cruces and Cabo Marzo was 64.6%. This re-search provides new information regarding a scarcely studied component of the zooplankton in the eastern tropical Pacific and increases the number of hyperiid species reported for the Pacific Ocean of Colombia.

Keywords : zooplankton; Amphipoda; Hyperiidea; eastern tropical Pacific; Colombia.

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