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 2003
Number of Full Stomachs : 2,315
Number of Hauls: 167

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	49.65	50.00	70.90
Copepoda	8.38	13.00	33.22
Crangonidae (shrimp)	6.59	4.00	10.62
Mysidacea	4.36	6.00	16.34
Misc Teleost	3.63	0.00	10.70
Chaetognatha	3.63	2.00	16.20
Hyperiidea	3.34	7.00	24.91
Walleye pollock	2.03	0.00	0.65
Paguridae	2.01	2.00	11.26
Osmerid	1.90	0.00	1.76
Cumacea	1.77	3.00	10.27
Gammaridea	1.46	1.00	9.75
Pandalidae (shrimp)	1.38	0.00	1.58
Polychaeta	1.38	0.00	4.96
Misc Shrimp	1.07	0.00	5.03
Teuthida	0.73	0.00	1.33
Misc Gadidae	0.72	0.00	0.40
Misc Crab	0.64	0.00	3.48
Offal	0.62	0.00	0.13
Misc Decapoda	0.44	0.00	2.94
Misc Org	0.40	0.00	0.74
Misc Crustacea	0.19	0.00	4.08
Misc Flatfish	0.18	0.00	0.61
Capreillidea	0.13	0.00	0.88
Ammodytidae	0.12	0.00	0.25
Agonidae	0.12	0.00	0.98
Flathead sole	0.10	0.00	0.07
Misc Anomura	0.10	0.00	0.45
Cottid	0.09	0.00	0.46
Misc Org	0.08	0.00	0.07
Bivalvia	0.08	0.00	0.44
Hippolytidae (shrimp)	0.06	0.00	0.29
Zoarcoidae	0.05	0.00	0.07
Misc Worm	0.04	0.00	0.07
Opilio Crab	0.03	0.00	0.03
Isopoda	0.03	0.00	0.21
Stichaeidae	0.03	0.00	0.04
Gastropod	0.02	0.00	0.09
Misc Non-teleost fish	0.02	0.00	0.05
Tunicate	0.01	0.00	0.05
Chionoecetes spp.	0.01	0.00	0.03
Brittle Star	0.01	0.00	0.25
Ctenophora	0.01	0.00	0.06
Misc Amphipoda	0.01	0.00	0.47
Misc Lithodidae	0.00	0.00	0.45
Cnidaria	0.00	0.00	0.04
Northern rock sole	0.00	0.00	0.30
Southern rock sole	0.00	0.00	0.07
Misc Cephalopoda	0.00	0.00	0.15
Pteropoda	0.00	0.00	0.09

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2003

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