Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Walleye pollock Home

Diet table for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2001
Number of Full Stomachs : 2,712
Number of Hauls: 160

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	44.46	26.00	65.82
Copepoda	19.00	9.00	48.24
Walleye pollock	6.12	5.00	2.25
Crangonidae (shrimp)	5.56	6.00	10.75
Mysidacea	3.26	6.00	18.97
Gammaridea	2.85	5.00	12.97
Chaetognatha	2.03	1.00	7.69
Polychaeta	1.88	2.00	6.73
Hyperiidea	1.45	3.00	15.37
Osmerid	1.39	0.00	1.33
Ammodytidae	1.02	1.00	2.65
Misc Gadidae	1.02	1.00	0.92
Misc Worm	0.98	0.00	0.81
Pandalidae (shrimp)	0.94	1.00	1.96
Misc Teleost	0.73	4.00	5.21
Cumacea	0.70	3.00	8.61
Misc Shrimp	0.65	1.00	4.07
Clupeoidei	0.65	0.00	0.78
Hippolytidae (shrimp)	0.48	0.00	0.72
Zoarcoidae	0.46	0.00	0.08
Misc Crustacea	0.42	0.00	3.39
Paguridae	0.31	1.00	1.51
Offal	0.30	0.00	0.10
Agonidae	0.20	0.00	0.42
Teuthida	0.17	0.00	0.70
Stichaeidae	0.16	0.00	0.26
Pacific sandfish	0.15	0.00	0.12
Northern rock sole	0.15	0.00	0.08
Gastropod	0.10	0.00	0.20
Misc Org	0.08	0.00	0.23
Misc Flatfish	0.07	0.00	0.40
Pteropoda	0.06	0.00	1.46
Octopoda	0.05	0.00	0.10
Bivalvia	0.05	0.00	0.47
Misc Decapoda	0.03	0.00	0.59
Cottid	0.03	0.00	0.26
Misc Mollusca	0.01	0.00	0.06
Misc Crab	0.01	1.00	1.68
Tunicate	0.01	0.00	0.03
Capreillidea	0.00	0.00	0.07
Brittle Star	0.00	0.00	0.09
Misc Cephalopoda	0.00	0.00	0.03
Alaska plaice	0.00	0.00	0.03
Misc Amphipoda	0.00	0.00	0.03

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2001

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