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Food and feeding of the mormyrid fishes of Lake Kainji, Nigeria, with special reference to seasonal variation and interspecific differences
Author(s) -
Blake B. F.
Publication year - 1977
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.1977.tb04125.x
Subject(s) - biology , interspecific competition , trophic level , abundance (ecology) , divergence (linguistics) , ecology , variation (astronomy) , fish <actinopterygii> , seasonality , zoology , fishery , philosophy , linguistics , physics , astrophysics
The feeding habits of mormyrids from Lake Kainji, Nigeria, are discussed in relation to the decreased abundance of these fish since impoundment in 1968. Evidence is presented of both intra‐specific seasonal variation in diet and inter‐specific trophic divergence. These variable factors are discussed in relation to the degree of success achieved by certain species in the lake.