Diet Overlap

Sebastes caurinus (Copper rockfish)
Ptychoramphus aleuticus (Cassin's Auklet)

Common Diet

Euphausia pacifica (Pacific krill)

Common Habitat

Channel Islands National Marine Sanctuary
Channel Islands National Park
Farallon National Wildlife Refuge
Gwaii Haanas National Park Reserve
Pacific Rim National Park Reserve

Attributes / relations provided by
♦ 1Comparative feeding ecology of two sympatric rockfish congeners, Sebastes caurinus (copper rockfish) and S. maliger (quillback rockfish), D. J. Murie, Marine Biology (1995) 124: 341-353
♦ 2Ocean climate, euphausiids and auklet nesting: inter-annual trends and variation in phenology, diet and growth of a planktivorous seabird, Ptychoramphus aleuticus, Christine L. Abraham, William J. Sydeman, MARINE ECOLOGY PROGRESS SERIES, Vol. 274: 235–250, 2004