Effect of prey densities on cannibalism in Cape hake (Merluccius capensis) off Namibia

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1994 Spain English Publisher:Springer Science and Business Media LLCJournal:Marine Biology, volume 119, pages 145-149 (issn: 0025-3162, eissn: 1432-1793,

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Authors: Macpherson, Enrique; Gordoa, Ana;

doi: 10.1007/bf00350116

handle: 10261/41686

Effect of prey densities on cannibalism in Cape hake (Merluccius capensis) off Namibia

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Abstract

The preference of large (>60 cm total length) Cape hake (Merluccius capensis Castelnau, 1861) for small conspecifics under natural conditions was analyzed off southern Namibia (S.E. Atlantic) between 1983 and 1989. The results indicate that cannibalism is not related to the density of the small conspecifics nor to the density of alternative prey, but rather that large hake have a dietary preference for small conspecifics. The main consequence of such cannibalism is a lack of density-dependent regulation of the M. capensis population

5 pages, 4 figures, 1 table

Peer reviewed

Country

Spain

Related Organizations

Institute of Marine Sciences
Spain
Spanish National Research Council
Spain

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