Feeding of grey gurnard Eutrigla gurnardus (Triglidae) in the area of the Rockall Seamount |
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Authors: | V I Vinogradov A G Arkhipov D A Kozlov |
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Institution: | 1. Atlantic Research Institute of Fisheries and Oceanography (Atlant NIRO), ul. Dm. Donskogo 5, Kaliningrad, 236000, Russia
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Abstract: | Specific features of feeding of grey gurnard Eutrigla gurnardus depending on vertical distribution and habitat conditions in the area of the Rockall Seamount in 2000 were considered. The intensity of feeding of grey gurnard from April to September decreased by several times. The main food of this species in spring are euphausiids and that in autumn are fish. Males feed slightly more intensively than females. The intensity of feeding, distribution, and behavior of grey gurnard in different seasons and at different depths near bottom and in the pelagial noticeably differ and depend on the composition of distribution and numbers of dominant food items (euphausiids, sand eel Ammodytes marinus, fish juveniles). |
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