Feeding ecology of cod (Gadus morhua L.) in Balsfjord and Ullsfjord, northern Norway, 1982-1983

• DOI: 10.1093/icesjms/45.2.190
• Publication Date: 2007-03-15T22:48:21Z
• Authors: J. d. Santos; S. Falk-Petersen
• Keywords: Capelin; Fjord; Gadidae; Calanus finmarchicus; Haddock

A comparison is made of the feeding habits cod in two fjords northern Norway, Ullsfjord and Balsfjord. Of two, warmer fairly typical Norwegian coastal waters. Balsfjord closer to Barents Sea its temperature regime ecosystem. In Balsfjord, main food small consisted benthic crustaceans, while large fed mainly on capelin, with occasional concentration prawns when near seabed or krill pelagically. Ullsfjord, crustaceans were present diet all sizes, being demersally that larger The dietary transition capelin occurred reached a length 40 50 cm. observations confirm importance pelagic chain these fjords.