Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Northern rockfish Home

Diet table for Gulf Of Alaska Northern rockfish, Sebastes polyspinis, collected in 2011
Number of Full Stomachs : 99
Number of Hauls: 20

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	44.92	19.00	63.32
Copepoda	8.13	8.00	24.88
Hyperiidea	8.09	11.00	26.99
Teuthida	5.74	2.00	4.46
Gammaridea	5.16	2.00	12.99
Chaetognatha	5.03	5.00	5.65
Misc Teleost	4.83	11.00	8.18
Pteropoda	3.11	0.00	4.67
Pandalidae (shrimp)	2.65	0.00	1.58
Tunicate	2.25	0.00	5.00
Zoarcoidae	1.00	0.00	0.31
Misc Gadidae	0.62	0.00	0.71
Misc Crustacea	0.60	0.00	3.13
Crangonidae (shrimp)	0.45	0.00	1.25
Misc Cephalopoda	0.37	0.00	0.71
Agonidae	0.33	0.00	0.63
Misc Org	0.30	0.00	1.96
Cottid	0.09	0.00	0.71
Sebastes	0.08	0.00	0.98
Ctenophora	0.08	0.00	1.00
Mysidacea	0.03	0.00	0.31
Osmerid	0.03	0.00	0.67
Misc Shrimp	0.03	0.00	0.65
Paguridae	0.02	0.00	0.31
Misc Anomura	0.01	0.00	0.31
Misc Crab	0.01	0.00	1.05
Walleye pollock	0.00	0.00	0.33

Sample locations for Gulf Of Alaska Northern rockfish, Sebastes polyspinis, collected in 2011

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