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 2017
Number of Full Stomachs : 3,320
Number of Hauls: 319

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	28.68	6.00	46.71
Copepoda	12.35	3.00	38.78
Crangonidae (shrimp)	8.42	2.00	14.34
Mysidacea	6.88	4.00	22.32
Polychaeta	5.55	1.00	16.15
Misc Teleost	5.29	28.00	11.78
Gammaridea	4.60	1.00	20.93
Chaetognatha	3.55	0.00	17.70
Misc Gadidae	3.26	5.00	3.11
Misc Worm	2.18	0.00	2.48
Walleye pollock	2.16	3.00	1.20
Pandalidae (shrimp)	2.12	0.00	3.32
Stichaeidae	1.57	1.00	2.02
Cumacea	1.54	0.00	10.93
Hyperiidea	1.47	1.00	19.16
Misc Crab	1.24	0.00	9.77
Misc Shrimp	1.09	1.00	5.63
Misc Crustacea	0.88	0.00	3.97
Clupeoidei	0.71	0.00	0.15
Paguridae	0.61	0.00	2.62
Ammodytidae	0.59	0.00	0.58
Hippolytidae (shrimp)	0.44	0.00	1.85
Agonidae	0.43	0.00	0.21
Osmerid	0.42	0.00	0.48
Cottid	0.33	0.00	0.12
Misc Flatfish	0.30	1.00	0.54
Misc Brachyura	0.29	0.00	0.10
Bering Flounder	0.25	0.00	0.06
Teuthida	0.24	0.00	0.53
Bivalvia	0.24	0.00	0.82
Misc Org	0.22	0.00	1.70
Misc Lithodidae	0.18	0.00	0.07
Zoarcoidae	0.18	0.00	0.07
Cyclopteridae	0.17	0.00	0.06
Pteropoda	0.16	0.00	1.57
Gastropod	0.16	0.00	0.52
Opilio Crab	0.14	0.00	0.06
Offal	0.13	0.00	0.02
Chionoecetes spp.	0.11	1.00	0.19
Southern rock sole	0.08	0.00	0.02
Sea Cucumber	0.03	0.00	0.05
Misc Mollusca	0.03	0.00	0.42
Isopoda	0.02	0.00	0.06
Pacific Cod	0.02	0.00	0.02
Misc Anomura	0.02	0.00	0.23
Tanner Crab	0.02	0.00	0.02
Misc Cephalopoda	0.02	0.00	0.14
Misc Majidae	0.02	0.00	0.02
Flathead sole	0.01	0.00	0.05
Misc Decapoda	0.01	0.00	0.16
Capreillidea	0.01	0.00	0.10
Misc Amphipoda	0.01	0.00	0.22
Unid Rockfish	0.01	0.00	0.02
Cnidaria	0.01	0.00	0.03
Cancridea	0.00	0.00	0.04
Brittle Star	0.00	0.00	0.13
Unid Eggs	0.00	0.00	0.15
Alaska plaice	0.00	0.00	0.06
Fish Eggs	0.00	0.00	0.10
Misc Org	0.00	0.00	0.02
Misc Non-teleost fish	0.00	0.00	0.09
Octopoda	0.00	0.00	0.02
Misc Bird	0.00	0.00	0.03

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2017

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