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 2015
Number of Full Stomachs : 3,842
Number of Hauls: 302

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	39.62	21.00	59.16
Copepoda	19.02	26.00	53.15
Gammaridea	3.33	2.00	15.37
Chaetognatha	3.31	1.00	19.68
Osmerid	3.28	1.00	1.61
Cumacea	3.13	1.00	9.94
Misc Teleost	2.89	9.00	6.67
Mysidacea	2.74	2.00	11.92
Walleye pollock	2.63	1.00	1.19
Crangonidae (shrimp)	2.42	1.00	5.29
Hyperiidea	2.41	3.00	20.52
Polychaeta	1.82	0.00	7.26
Pandalidae (shrimp)	1.56	0.00	1.61
Chionoecetes spp.	0.87	2.00	2.18
Misc Crab	0.73	1.00	7.08
Ammodytidae	0.66	0.00	0.43
Misc Gadidae	0.58	0.00	0.64
Hippolytidae (shrimp)	0.54	0.00	1.36
Misc Org	0.52	0.00	2.80
Clupeoidei	0.45	0.00	0.15
Misc Shrimp	0.41	0.00	5.91
Pacific Cod	0.28	0.00	0.02
Offal	0.26	0.00	0.09
Paguridae	0.25	0.00	6.55
Zoarcoidae	0.17	0.00	0.24
Misc Flatfish	0.16	0.00	0.53
Northern rock sole	0.14	0.00	0.09
Cottid	0.14	0.00	0.25
Misc Worm	0.14	0.00	0.30
Pacific sandfish	0.12	0.00	0.01
Misc Anomura	0.08	0.00	2.07
Yellowfin sole	0.07	0.00	0.07
Stichaeidae	0.07	0.00	0.08
Teuthida	0.06	0.00	0.29
Misc Majidae	0.04	0.00	0.60
Misc Crustacea	0.04	0.00	1.21
Bivalvia	0.02	0.00	0.18
Gastropod	0.02	0.00	0.07
Misc Brachyura	0.02	0.00	0.12
Pteropoda	0.01	0.00	0.77
Misc Mollusca	0.01	0.00	0.04
Misc Lithodidae	0.01	0.00	0.50
Misc Amphipoda	0.01	0.00	0.28
Bering Flounder	0.00	0.00	0.03
Fish Eggs	0.00	0.00	0.18
Misc Decapoda	0.00	0.00	0.50
Brittle Star	0.00	0.00	0.08
Capreillidea	0.00	0.00	0.05
Misc Cephalopoda	0.00	0.00	0.05
Misc Bird	0.00	0.00	0.20
Cyclopteridae	0.00	0.00	0.02
Unid Eggs	0.00	0.00	0.02

Sample locations for Bering Sea Walleye pollock, Gadus chalcogrammus, collected in 2015

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