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

Publication: Research - peer-reviewJournal article – Annual report year: 2011

Without internal affiliation

  • Author: Jönsson, M.

    Lund University, Sweden

  • Author: Hylander, Samuel

    Lund University

  • Author: Ranåker, L.

    Lund University, Sweden

  • Author: Nilsson, P.A.

    Lund University, Sweden

  • Author: Brönmark, C.

    Lund University, Sweden

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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 languageEnglish
JournalJournal of Fish Biology
Publication date2011
Volume79
Pages290-297
ISSN0022-1112
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 5
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