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 2002
Number of Full Stomachs : 2,916
Number of Hauls: 173

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	47.65	30.00	66.01
Copepoda	21.21	10.00	43.62
Crangonidae (shrimp)	5.35	3.00	11.07
Hyperiidea	4.77	3.00	15.06
Walleye pollock	3.15	4.00	1.67
Mysidacea	3.02	4.00	18.96
Misc Teleost	2.76	6.00	9.71
Gammaridea	2.34	2.00	13.21
Osmerid	1.21	1.00	1.27
Cumacea	1.14	3.00	13.14
Chaetognatha	0.95	1.00	9.33
Pandalidae (shrimp)	0.81	1.00	1.86
Misc Crab	0.59	0.00	1.35
Misc Gadidae	0.58	0.00	0.26
Polychaeta	0.56	1.00	5.32
Pacific sandfish	0.55	0.00	0.25
Misc Shrimp	0.46	0.00	3.39
Ammodytidae	0.35	0.00	0.65
Clupeoidei	0.32	0.00	0.58
Misc Flatfish	0.28	1.00	1.14
Misc Crustacea	0.22	0.00	3.07
Northern rock sole	0.14	0.00	0.10
Cottid	0.14	2.00	1.03
Pteropoda	0.13	0.00	1.99
Misc Org	0.12	0.00	0.75
Misc Decapoda	0.08	0.00	0.87
Misc Worm	0.08	0.00	0.27
Paguridae	0.08	0.00	0.78
Greenland turbot	0.08	1.00	0.16
Cancridea	0.07	0.00	0.12
Zoarcoidae	0.04	0.00	0.03
Hippolytidae (shrimp)	0.04	0.00	0.47
Cyclopteridae	0.03	0.00	0.19
Misc Org	0.03	0.00	0.03
Misc Majidae	0.03	0.00	0.03
Misc Amphipoda	0.01	0.00	0.23
Tunicate	0.01	0.00	0.09
Agonidae	0.01	0.00	0.15
Bivalvia	0.01	0.00	0.11
Pacific halibut	0.01	0.00	0.04
Cnidaria	0.01	0.00	0.04
Gastropod	0.00	0.00	0.24
Teuthida	0.00	0.00	0.16
Octopoda	0.00	0.00	0.06
Misc Mollusca	0.00	0.00	0.05
Arrowtooth flounder	0.00	0.00	0.03
Misc Cephalopoda	0.00	0.00	0.09
Capreillidea	0.00	0.00	0.06
Isopoda	0.00	0.00	0.04
Ctenophora	0.00	0.00	0.03
Brittle Star	0.00	0.00	0.05
Misc Echinoderm	0.00	0.00	0.07

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2002

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