Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Walleye pollock Home

Diet table for Gulf Of Alaska Walleye pollock, Gadus chalcogrammus, collected in 2019
Number of Full Stomachs : 901
Number of Hauls: 203

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	42.38	15.00	57.97
Pandalidae (shrimp)	11.00	1.00	9.97
Misc Teleost	8.50	16.00	13.32
Copepoda	8.27	4.00	27.14
Misc Shrimp	4.79	3.00	10.27
Osmerid	2.44	2.00	2.11
Crangonidae (shrimp)	2.03	0.00	4.33
Misc Crustacea	1.98	1.00	7.17
Cumacea	1.95	1.00	2.88
Pteropoda	1.94	0.00	4.30
Misc Org	1.82	0.00	6.70
Gammaridea	1.53	0.00	8.15
Ammodytidae	0.87	0.00	0.70
Misc Gadidae	0.87	0.00	0.65
Mysidacea	0.86	0.00	3.71
Hippolytidae (shrimp)	0.78	0.00	1.33
Hyperiidea	0.55	1.00	13.93
Misc Crab	0.52	0.00	4.30
Zoarcoidae	0.49	0.00	0.53
Myctophidae	0.47	0.00	0.08
Polychaeta	0.42	0.00	1.89
Chaetognatha	0.37	0.00	3.70
Misc Brachyura	0.33	0.00	0.41
Ctenophora	0.32	0.00	0.20
Walleye pollock	0.18	0.00	0.33
Cnidaria	0.12	0.00	0.26
Teuthida	0.11	1.00	1.48
Misc Anomura	0.11	0.00	0.20
Cancridea	0.09	0.00	0.49
Misc Worm	0.07	0.00	0.19
Gastropod	0.05	0.00	0.37
Isopoda	0.04	0.00	0.47
Cottid	0.03	0.00	0.19
Bivalvia	0.03	0.00	1.05
Paguridae	0.02	0.00	2.87
Misc Mollusca	0.01	0.00	0.89
Stichaeidae	0.01	0.00	0.16
Misc Non-teleost fish	0.00	0.00	0.19
Agonidae	0.00	0.00	0.03
Misc Flatfish	0.00	0.00	0.24
Misc Cephalopoda	0.00	0.00	0.15
Misc Decapoda	0.00	0.00	0.33
Unid Eggs	0.00	0.00	0.36
Fish Eggs	0.00	0.00	0.17
Brittle Star	0.00	0.00	0.15
Sea Urchin	0.00	0.00	0.05

Sample locations for Gulf Of Alaska Walleye pollock, Gadus chalcogrammus, collected in 2019

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