Prey selection and functional response of juvenile lemon sharks Negaprion brevirostris

A. Reeve; R. D. Handy; S. H. Gruber

doi:10.1111/j.1095-8649.2009.02265.x

Prey selection and functional response of juvenile lemon sharks Negaprion brevirostris

A. Reeve, R. D. Handy, S. H. Gruber

Marine Biology and Fisheries

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Prey preference of juvenile lemon sharks Negaprion brevirostris was examined in experiments conducted in field-based pens where the fish were offered meals of live teleosts: grey snapper Lutjanus griseus and yellow fin majorra Gerres cinereus in ratios of L. griseus:G. cinereus varying from 10:0 to 2:8. Relative electivity indices for each treatment showed that N. brevirostris preyed on G. cinereus rather than L. griseus. They showed a prey preference relating to density of G. cinereus (type II functional response) but not to L. griseus.

Original language	English (US)
Pages (from-to)	276-281
Number of pages	6
Journal	Journal of Fish Biology
Volume	75
Issue number	1
DOIs	https://doi.org/10.1111/j.1095-8649.2009.02265.x
State	Published - Jul 1 2009

Keywords

Gerres cinereus
Lemon shark
Lutjanus griseus
Prey preference

ASJC Scopus subject areas

Aquatic Science
Ecology, Evolution, Behavior and Systematics

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