Diet Overlap

Prionace glauca (Tribon blou)
Phoca vitulina (Harbor Seal)

Common Diet

Clupea harengus (Yawling)
Doryteuthis opalescens (california market squid)
Gadus morhua (rock cod)
Illex illecebrosus (northern shortfin squid)

Common Habitat

Channel Islands National Marine Sanctuary
Channel Islands National Park
Farallon National Wildlife Refuge
Gwaii Haanas National Park Reserve
Morecambe Bay
Pacific Rim National Park Reserve
Pacific, Eastern Central

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
2The harbour seal Phoca vitulina as a predator in the Skagerrak. Haerkoenen, T | Heide-Joergensen, M-P, Ophelia. Vol. 34, no. 3, pp. 191-207 1991
3CephBase - Cephalopod (Octopus, Squid, Cuttlefish and Nautilus) Database
4Food 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)