Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Walleye pollock Home

Diet table for Aleutian Islands Walleye pollock, Gadus chalcogrammus, collected in 2002
Number of Full Stomachs : 318
Number of Hauls: 42

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	17.76	18.00	49.94
Copepoda	14.05	14.00	39.65
Misc Teleost	12.50	5.00	15.71
Myctophidae	11.81	7.00	6.65
Hyperiidea	7.64	13.00	31.77
Pandalidae (shrimp)	6.07	4.00	5.05
Octopoda	2.51	1.00	3.13
Misc Shrimp	2.18	3.00	13.21
Polychaeta	1.77	0.00	4.75
Bathylagid	1.68	1.00	2.78
Atka Mackeral	1.65	0.00	1.43
Teuthida	1.60	1.00	4.65
Hippolytidae (shrimp)	1.56	0.00	3.91
Misc Decapoda	0.90	1.00	2.03
Mysidacea	0.62	1.00	6.42
Gammaridea	0.57	0.00	7.54
Cottid	0.56	0.00	0.63
Misc Cephalopoda	0.51	1.00	5.88
Chaetognatha	0.50	0.00	2.14
Misc Crustacea	0.35	2.00	6.37
Cyclopteridae	0.25	0.00	0.34
Misc Org	0.15	0.00	0.48
Crangonidae (shrimp)	0.12	0.00	0.48
Cancridea	0.10	0.00	0.40
Paguridae	0.10	0.00	0.87
Isopoda	0.10	0.00	0.32
Agonidae	0.09	0.00	0.40
Osmerid	0.08	0.00	0.15
Misc Amphipoda	0.07	0.00	0.64
Misc Crab	0.06	0.00	0.95
Cnidaria	0.02	0.00	0.18
Cumacea	0.00	0.00	0.47
Gastropod	0.00	0.00	0.20
Pteropoda	0.00	0.00	0.17

Sample locations for Aleutian Islands Walleye pollock, Gadus chalcogrammus, collected in 2002

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