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 1997
Number of Full Stomachs : 2,925
Number of Hauls: 169

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	50.20	13.00	71.62
Walleye pollock	14.04	11.00	5.70
Copepoda	7.98	9.00	35.32
Crangonidae (shrimp)	4.36	3.00	7.98
Mysidacea	3.57	4.00	15.02
Pandalidae (shrimp)	2.09	3.00	2.89
Gammaridea	1.64	3.00	12.43
Misc Teleost	1.55	12.00	6.28
Hyperiidea	1.46	2.00	12.02
Misc Gadidae	1.03	2.00	0.73
Chaetognatha	0.86	0.00	7.46
Polychaeta	0.70	0.00	4.11
Misc Shrimp	0.68	1.00	4.20
Misc Worm	0.55	0.00	0.95
Misc Crustacea	0.50	0.00	3.95
Misc Org	0.48	0.00	4.21
Cumacea	0.47	2.00	5.10
Greenland turbot	0.45	1.00	0.50
Pteropoda	0.28	0.00	2.34
Hippolytidae (shrimp)	0.24	0.00	0.72
Stichaeidae	0.22	0.00	0.18
Ammodytidae	0.21	0.00	0.68
Agonidae	0.21	0.00	0.09
Misc Decapoda	0.20	0.00	1.03
Misc Flatfish	0.19	0.00	0.37
Tunicate	0.15	0.00	0.48
Octopoda	0.11	0.00	0.03
Zoarcoidae	0.10	0.00	0.07
Cottid	0.06	3.00	0.79
Paguridae	0.05	0.00	0.58
Bivalvia	0.04	0.00	0.29
Blue King Crab	0.04	1.00	0.68
Misc Brachyura	0.03	0.00	0.03
Misc Crab	0.03	0.00	0.57
Misc Anomura	0.02	0.00	0.59
Capreillidea	0.02	0.00	0.50
Sea Cucumber	0.02	0.00	0.10
Isopoda	0.01	0.00	0.14
Lepidopsetta sp	0.01	0.00	0.09
Pacific halibut	0.01	0.00	0.16
Unid Eggs	0.01	0.00	0.03
Misc Non-teleost fish	0.00	0.00	0.34
Teuthida	0.00	0.00	0.27
Fish Eggs	0.00	0.00	0.03
Clupeoidei	0.00	0.00	0.03
Unid Rockfish	0.00	0.00	0.03
Misc Lithodidae	0.00	0.00	0.17
Misc Amphipoda	0.00	0.00	0.10
Cyclopteridae	0.00	0.00	0.03
Brittle Star	0.00	0.00	0.03

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 1997

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