Foraging success of juvenile pike Esox lucius depends on visual conditions and prey pigmentation

M. Jönsson; Samuel Hylander; L. Ranåker; P.A. Nilsson; C. Brönmark

doi:10.1111/j.1095-8649.2011.03004.x

Foraging success of juvenile pike Esox lucius depends on visual conditions and prey pigmentation

M. Jönsson, Samuel Hylander, L. Ranåker, P.A. Nilsson, C. Brönmark

Lund University

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Abstract

Young-of-the-year pike Esox lucius foraging on copepods experienced different foraging success depending on prey pigmentation in water visually degraded by brown colouration or algae. Both attack rate and prey consumption rate were higher for E. lucius foraging on transparent prey in brown water, whereas the opposite was true in algal turbid water. Pigments in copepod prey may have a cryptic function in brown water instead of a photo-protective function even if prey-size selectivity was stronger than selection based on pigmentation in juvenile E. lucius.

Original language	English
Journal	Journal of Fish Biology
Volume	79
Pages (from-to)	290-297
ISSN	0022-1112
DOIs	https://doi.org/10.1111/j.1095-8649.2011.03004.x
Publication status	Published - 2011
Externally published	Yes

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title = "Foraging success of juvenile pike Esox lucius depends on visual conditions and prey pigmentation",

abstract = "Young-of-the-year pike Esox lucius foraging on copepods experienced different foraging success depending on prey pigmentation in water visually degraded by brown colouration or algae. Both attack rate and prey consumption rate were higher for E. lucius foraging on transparent prey in brown water, whereas the opposite was true in algal turbid water. Pigments in copepod prey may have a cryptic function in brown water instead of a photo-protective function even if prey-size selectivity was stronger than selection based on pigmentation in juvenile E. lucius.",

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AU - Jönsson, M.

AU - Hylander, Samuel

AU - Ranåker, L.

AU - Nilsson, P.A.

AU - Brönmark, C.

PY - 2011

Y1 - 2011

N2 - Young-of-the-year pike Esox lucius foraging on copepods experienced different foraging success depending on prey pigmentation in water visually degraded by brown colouration or algae. Both attack rate and prey consumption rate were higher for E. lucius foraging on transparent prey in brown water, whereas the opposite was true in algal turbid water. Pigments in copepod prey may have a cryptic function in brown water instead of a photo-protective function even if prey-size selectivity was stronger than selection based on pigmentation in juvenile E. lucius.

AB - Young-of-the-year pike Esox lucius foraging on copepods experienced different foraging success depending on prey pigmentation in water visually degraded by brown colouration or algae. Both attack rate and prey consumption rate were higher for E. lucius foraging on transparent prey in brown water, whereas the opposite was true in algal turbid water. Pigments in copepod prey may have a cryptic function in brown water instead of a photo-protective function even if prey-size selectivity was stronger than selection based on pigmentation in juvenile E. lucius.

U2 - 10.1111/j.1095-8649.2011.03004.x

DO - 10.1111/j.1095-8649.2011.03004.x

M3 - Journal article

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VL - 79

SP - 290

EP - 297

JO - Journal of Fish Biology

JF - Journal of Fish Biology

ER -

Foraging success of juvenile pike Esox lucius depends on visual conditions and prey pigmentation

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