Abstract
This article provides data on diet composition of arctic staghorn sculpin Gymnocanthus tricuspis (Reinhardt, 1830) in the Kara Sea in the 2012, 2015, 2016. This species is a typical benthivorous fish whose diet in the Kara Sea is based on polychaetas, isopods and cumaceans. The similarity of arctic staghorn sculpin diet with other representatives of non-commercial fish of the Kara Sea was considered. Closest trophic species were identified, such as atlantic hookear sculpin, arctic alligatorfish, spatulate sculpin.
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