The food of the pollan, Coregonus autumnalis pollan Thompson, in Lough Neagh, Northern Ireland
作者： J. P. F. Wilson
DOI: 10.1111/J.1095-8649.1984.TB04796.X
关键词: Pupa 、 Fauna 、 Benthic zone 、 Ecology 、 Biology 、 Northern ireland 、 Stomach fullness 、 Predation 、 Daphnia 、 Coregonus autumnalis pollan
摘要: Stomach contents of pollan caught monthly throughout the year were examined. fullness was significantly correlated with water temperature. Adult fed on bottom fauna, mainly chironomid larvae, in October-March, pupae April and Daphnia spp. May-September. Immature (0+ 1 +) fish also ate other cladocerans copepods. While there is no evidence for selection any benthic prey species, adult appear to be highly selective feeders summer.
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