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 1992
Number of Full Stomachs : 2,665
Number of Hauls: 163

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	47.20	13.00	72.95
Copepoda	16.10	7.00	45.38
Mysidacea	6.26	14.00	28.73
Walleye pollock	6.12	3.00	5.77
Crangonidae (shrimp)	5.94	10.00	15.15
Pandalidae (shrimp)	4.75	8.00	9.08
Chaetognatha	3.24	3.00	14.94
Hyperiidea	2.77	9.00	26.11
Gammaridea	1.10	4.00	10.05
Misc Worm	0.73	1.00	1.14
Osmerid	0.64	0.00	0.89
Misc Gadidae	0.57	0.00	2.13
Misc Teleost	0.55	3.00	4.40
Offal	0.54	0.00	0.44
Misc Shrimp	0.45	4.00	7.20
Polychaeta	0.41	2.00	3.78
Cottid	0.30	0.00	1.62
Arrowtooth flounder	0.29	0.00	0.10
Misc Org	0.25	0.00	1.54
Hippolytidae (shrimp)	0.25	0.00	1.49
Cumacea	0.25	1.00	4.42
Greenland turbot	0.18	1.00	1.20
Teuthida	0.12	0.00	0.60
Stichaeidae	0.10	0.00	0.39
Zoarcoidae	0.08	0.00	0.30
Octopoda	0.06	0.00	0.04
Clupeoidei	0.06	0.00	0.07
Gastropod	0.06	0.00	0.22
Myctophidae	0.05	0.00	0.03
Opilio Crab	0.04	0.00	0.04
Cyclopteridae	0.03	0.00	0.27
Misc Amphipoda	0.02	0.00	0.52
Paguridae	0.02	0.00	0.32
Misc Flatfish	0.01	0.00	0.64
Tunicate	0.01	0.00	0.10
Pteropoda	0.01	0.00	0.44
Misc Org	0.01	0.00	0.12
Ammodytidae	0.01	0.00	0.24
Northern rock sole	0.01	0.00	0.07
Bivalvia	0.01	0.00	0.21
Cnidaria	0.01	0.00	0.04
Misc Crustacea	0.00	0.00	0.09
Brittle Star	0.00	0.00	0.21
Misc Echinoderm	0.00	0.00	0.03
Misc Crab	0.00	0.00	0.22
Chionoecetes spp.	0.00	0.00	0.15
Misc Bird	0.00	0.00	0.09
Misc Lithodidae	0.00	0.00	0.03
Fish Eggs	0.00	0.00	0.10
Pacific halibut	0.00	0.00	0.03
Agonidae	0.00	0.00	0.03
Capreillidea	0.00	0.00	0.06
Misc Anomura	0.00	0.00	0.03

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 1992

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