Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Alaska skate Home

Diet table for Bering Sea Alaska skate, Bathyraja parmifera, collected in 1996
Number of Full Stomachs : 333
Number of Hauls: 80

Prey Name	Percent Weight	Percent Count	Percent Frequency
Walleye pollock	23.44	14.00	18.48
Chionoecetes spp.	10.02	9.00	14.13
Gammaridea	8.64	9.00	30.62
Misc Flatfish	8.17	5.00	11.84
Opilio Crab	7.99	6.00	9.64
Crangonidae (shrimp)	7.18	12.00	22.30
Zoarcoidae	5.54	4.00	6.31
Paguridae	5.26	10.00	18.85
Offal	5.24	1.00	1.83
Misc Teleost	4.33	5.00	12.70
Polychaeta	2.87	2.00	16.86
Stichaeidae	1.44	1.00	1.95
Flathead sole	1.37	0.00	1.67
Pandalidae (shrimp)	1.31	0.00	2.93
Bering Flounder	1.22	0.00	1.25
Hippolytidae (shrimp)	0.96	1.00	5.01
Misc Gadidae	0.91	0.00	1.58
Misc Majidae	0.90	1.00	2.53
Agonidae	0.85	0.00	2.68
Cottid	0.70	0.00	1.92
Misc Shrimp	0.36	1.00	5.98
Ammodytidae	0.24	0.00	1.31
Misc Crab	0.21	0.00	2.25
Cancridea	0.18	0.00	0.63
Tunicate	0.16	0.00	1.08
Mysidacea	0.13	1.00	7.15
Misc Org	0.13	0.00	1.61
Misc Decapoda	0.10	0.00	0.49
Misc Crustacea	0.06	0.00	1.06
Euphausiacea	0.03	0.00	2.59
Tanner Crab	0.03	0.00	0.39
Northern rock sole	0.01	0.00	0.25
Isopoda	0.01	0.00	0.43
Bivalvia	0.01	0.00	0.63
Brittle Star	0.00	0.00	0.49
Lepidopsetta sp	0.00	0.00	0.25
Misc Brachyura	0.00	0.00	0.25
Cumacea	0.00	0.00	0.18

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 1996

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