Diet Overlap

Prionace glauca (Tribon blou)
Larus argentatus (Herring Gull)

Common Diet

Gadus morhua (rock cod)
Illex illecebrosus (northern shortfin squid)

Common Habitat

Channel Islands National Marine Sanctuary
Channel Islands National Park
Farallon National Wildlife Refuge
Florida Keys National Marine Sanctuary
Gwaii Haanas National Park Reserve
Morecambe Bay
North Bull Island
Pacific Rim National Park Reserve

Attributes / relations provided by
♦ 1A Quantitative Assessment of the Diet of the Blue Shark (Prionace glauca) off Nova Scotia, Canada, Meaghen E. McCord and Steven E. Campana, J. Northw. Atl. Fish. Sci., Vol. 32: 57-63
♦ 2Diets of adult and chick Herring Gulls Larus argentatus argenteus on Ailsa Craig, south-west Scotland., M. Nogales, B. Zonfrillo and P. Monaghan, SEABIRD 17: 56-63
♦ 3Food of Northwest Atlantic Fishes and Two Common Species of Squid, Ray E. Bowman, Charles E. Stillwell, William L. Michaels, and Marvin D. Grosslein, NOAA Technical Memorandum NMFS-NE-155 (2000)
♦ 4Feeding Spectrum and Trophic Relationships of Short-finned Squid (Illex illecebrosus) in the Northwest Atlantic, Yu. M. Froerman, NAFO Sci. Coun. Studies, 7: 67-75 (1984)