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 1990
Number of Full Stomachs : 2,577
Number of Hauls: 198

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	33.97	19.00	56.06
Copepoda	15.95	6.00	35.14
Walleye pollock	12.84	12.00	13.68
Crangonidae (shrimp)	7.26	8.00	14.89
Mysidacea	7.25	7.00	18.70
Hyperiidea	4.64	6.00	18.24
Gammaridea	3.88	5.00	13.80
Pandalidae (shrimp)	2.33	2.00	5.40
Misc Gadidae	1.76	1.00	5.34
Misc Worm	1.59	0.00	2.21
Chaetognatha	1.03	1.00	5.22
Polychaeta	1.02	0.00	4.12
Cumacea	0.70	2.00	4.48
Osmerid	0.61	0.00	0.33
Misc Crustacea	0.48	0.00	1.21
Stichaeidae	0.46	0.00	1.38
Greenland turbot	0.44	1.00	1.67
Misc Flatfish	0.44	0.00	0.69
Misc Shrimp	0.40	1.00	3.96
Clupeoidei	0.33	0.00	0.54
Chionoecetes spp.	0.30	0.00	0.36
Pacific Cod	0.25	0.00	0.15
Misc Teleost	0.24	0.00	1.94
Isopoda	0.22	0.00	0.57
Ammodytidae	0.21	0.00	0.69
Hippolytidae (shrimp)	0.21	0.00	1.31
Misc Amphipoda	0.14	1.00	1.35
Bivalvia	0.13	0.00	0.42
Agonidae	0.10	0.00	0.32
Paguridae	0.10	0.00	0.22
Misc Decapoda	0.10	0.00	1.35
Teuthida	0.09	0.00	0.19
Misc Org	0.07	0.00	0.40
Northern rock sole	0.07	0.00	0.19
Gastropod	0.07	0.00	0.18
Pteropoda	0.07	0.00	0.46
Cyclopteridae	0.06	0.00	0.36
Cottid	0.05	0.00	0.51
Offal	0.04	0.00	0.09
Brittle Star	0.03	0.00	0.24
Opilio Crab	0.02	0.00	0.05
Tunicate	0.01	0.00	0.03
Cnidaria	0.01	0.00	0.21
Misc Crab	0.00	0.00	0.27
Zoarcoidae	0.00	0.00	0.08
Misc Majidae	0.00	0.00	0.17
Octopoda	0.00	0.00	0.03
Misc Bird	0.00	0.00	0.07
Misc Echinoderm	0.00	0.00	0.08
Unid Eggs	0.00	0.00	0.04
Capreillidea	0.00	0.00	0.08
Misc Anomura	0.00	0.00	0.09
Unid Rockfish	0.00	0.00	0.05
Misc Lithodidae	0.00	0.00	0.02

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 1990

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