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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v47.i6.60
pages 49-62

Feeding and Trophic Relations of Three Mass Demersal Fishes in the Coastal Zone of the Zmeiniy Island (2003-2007)

S. M. Snigirev
Odessa National University Odessa Branch of the South Research Institute of the Marine Fishery and Oceanography

RESUMO

Trophic spectra of three mass demersal fishes - the shore rockling, black scorpionfish and round goby - in the coastal zone of the Zmeiniy Island over 2003-2009 were presented. Indexes of relative importance, selectivity and filling of intestine were determined. It was revealed that intensity of feeding of all three species increased after their spawning. Trophic spectra of the shore rockling and scorpion fish have overlapped because of consuming of mass crustaceans. Strength of food relations between mass species of fishes of deep water area of the island decreased due to differences in quantity and peculiarities of distribution of fishes and their feeding objects.


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