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 2021
Number of Full Stomachs : 3,531
Number of Hauls: 304

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	27.35	1.00	43.52
Mysidacea	13.97	1.00	33.61
Crangonidae (shrimp)	12.20	10.00	17.36
Copepoda	9.64	0.00	30.89
Gammaridea	6.88	2.00	24.57
Polychaeta	2.99	4.00	10.38
Walleye pollock	2.78	3.00	0.56
Misc Worm	2.31	2.00	1.94
Cumacea	2.19	0.00	11.37
Misc Teleost	1.96	21.00	5.61
Chaetognatha	1.64	0.00	11.82
Hyperiidea	1.63	0.00	11.01
Clupeoidei	1.40	2.00	0.56
Stichaeidae	1.27	1.00	0.58
Misc Gadidae	1.21	3.00	0.71
Pteropoda	1.21	0.00	3.44
Misc Shrimp	1.19	2.00	4.72
Misc Org	1.15	0.00	3.45
Ammodytidae	1.01	3.00	1.15
Misc Crab	0.83	0.00	5.79
Pandalidae (shrimp)	0.56	1.00	1.51
Paguridae	0.46	0.00	0.91
Teuthida	0.40	0.00	0.36
Octopoda	0.30	0.00	0.02
Hippolytidae (shrimp)	0.28	2.00	1.55
Zoarcoidae	0.21	0.00	0.18
Misc Flatfish	0.21	2.00	0.55
Opilio Crab	0.21	0.00	0.07
Bivalvia	0.16	0.00	0.74
Flathead sole	0.13	0.00	0.08
Osmerid	0.13	0.00	0.17
Northern rock sole	0.13	0.00	0.09
Chionoecetes spp.	0.11	0.00	0.05
Misc Crustacea	0.10	0.00	1.23
Gastropod	0.09	0.00	0.48
Cottid	0.05	1.00	0.19
Misc Majidae	0.05	0.00	0.25
Unid Rockfish	0.05	0.00	0.07
Misc Echinoderm	0.04	0.00	0.05
Misc Mollusca	0.03	0.00	0.13
Yellowfin sole	0.03	0.00	0.03
Pholidae	0.03	0.00	0.03
Brittle Star	0.02	0.00	0.35
Cnidaria	0.02	0.00	0.02
Misc Bird	0.02	0.00	0.18
Capreillidea	0.01	0.00	0.21
Agonidae	0.01	0.00	0.06
Misc Lithodidae	0.01	0.00	0.03
Unid Eggs	0.01	0.00	0.18
Misc Amphipoda	0.00	0.00	0.10
Tunicate	0.00	0.00	0.03
Misc Anomura	0.00	0.00	0.02
Isopoda	0.00	0.00	0.04
Misc Org	0.00	0.00	0.03
Fish Eggs	0.00	1.00	0.13
Sebastes	0.00	0.00	0.03

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2021

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