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

In English

Författare

Summary, in English

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. (C) 2011 The Authors Journal of Fish Biology (C) 2011 The Fisheries Society of the British Isles

Publiceringsår

2011

Språk

Engelska

Sidor

290-297

Publikation/Tidskrift/Serie

Journal of Fish Biology

Volym

79

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

Wiley-Blackwell

Ämne

  • Ecology

Nyckelord

  • background contrast
  • cryptic pigmentation
  • turbidity
  • vision
  • water
  • colour

Status

Published

Forskningsgrupp

  • Aquatic Ecology

ISBN/ISSN/Övrigt

  • ISSN: 0022-1112