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 1991
Number of Full Stomachs : 3,008
Number of Hauls: 184

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	36.58	20.00	58.09
Copepoda	15.25	10.00	38.05
Walleye pollock	9.80	3.00	5.22
Hyperiidea	5.06	6.00	18.54
Mysidacea	4.12	8.00	14.92
Pandalidae (shrimp)	4.00	4.00	5.67
Misc Gadidae	3.41	2.00	2.63
Gammaridea	3.09	7.00	16.58
Crangonidae (shrimp)	2.85	5.00	7.92
Misc Teleost	1.98	5.00	7.88
Chaetognatha	1.70	2.00	5.92
Bathylagid	1.56	0.00	1.18
Cumacea	1.00	2.00	5.05
Misc Shrimp	0.98	3.00	7.37
Chionoecetes spp.	0.84	0.00	0.69
Misc Org	0.77	0.00	2.10
Polychaeta	0.70	1.00	2.36
Teuthida	0.54	0.00	1.40
Misc Worm	0.48	0.00	0.74
Misc Crustacea	0.33	0.00	1.69
Offal	0.32	0.00	0.22
Hippolytidae (shrimp)	0.31	0.00	1.20
Osmerid	0.31	0.00	0.27
Ammodytidae	0.20	0.00	0.11
Zoarcoidae	0.20	0.00	0.47
Misc Org	0.18	0.00	0.06
Paguridae	0.18	1.00	1.50
Opilio Crab	0.18	0.00	0.12
Stichaeidae	0.13	0.00	0.37
Pacific Cod	0.11	0.00	0.03
Misc Amphipoda	0.10	0.00	1.28
Misc Crab	0.08	1.00	1.30
Tunicate	0.07	0.00	0.06
Cnidaria	0.05	0.00	0.03
Misc Bird	0.05	0.00	0.30
Misc Decapoda	0.05	0.00	0.95
Misc Majidae	0.04	0.00	0.21
Cottid	0.04	0.00	0.19
Tanner Crab	0.03	0.00	0.08
Misc Flatfish	0.03	0.00	0.30
Gastropod	0.03	0.00	0.38
Agonidae	0.02	0.00	0.12
Capreillidea	0.02	0.00	0.15
Bivalvia	0.02	0.00	0.21
Pteropoda	0.02	0.00	0.08
Myctophidae	0.02	0.00	0.05
Greenland turbot	0.01	0.00	0.16
Brittle Star	0.01	0.00	0.21
Misc Brachyura	0.01	0.00	0.33
Misc Echinoderm	0.00	0.00	0.05
Unid Eggs	0.00	0.00	0.05
Isopoda	0.00	0.00	0.05
Misc Cephalopoda	0.00	0.00	0.05
Pacific halibut	0.00	0.00	0.07
Fish Eggs	0.00	0.00	0.08
Misc Anomura	0.00	0.00	0.03
Northern rock sole	0.00	0.00	0.03

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 1991

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