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 1992
Number of Full Stomachs : 331
Number of Hauls: 76

Prey Name	Percent Weight	Percent Count	Percent Frequency
Walleye pollock	37.41	14.00	25.93
Crangonidae (shrimp)	12.22	18.00	42.32
Offal	9.06	4.00	10.06
Paguridae	7.45	8.00	21.75
Northern rock sole	4.58	1.00	7.06
Gammaridea	4.24	5.00	20.55
Chionoecetes spp.	3.76	4.00	19.22
Misc Flatfish	2.86	3.00	11.60
Ammodytidae	2.40	2.00	5.70
Zoarcoidae	1.93	1.00	3.72
Opilio Crab	1.91	7.00	13.59
Polychaeta	1.47	2.00	14.75
Salmonidae	1.07	0.00	1.32
Yellowfin sole	1.06	0.00	3.07
Misc Teleost	1.01	2.00	12.55
Pacific Cod	0.89	0.00	1.36
Pandalidae (shrimp)	0.84	2.00	9.29
Misc Gadidae	0.81	1.00	4.89
Stichaeidae	0.79	0.00	3.84
Misc Majidae	0.72	0.00	1.44
Agonidae	0.52	0.00	3.51
Tanner Crab	0.44	0.00	3.51
Hippolytidae (shrimp)	0.41	0.00	1.86
Cottid	0.37	1.00	2.24
Misc Shrimp	0.31	1.00	6.33
Mysidacea	0.28	1.00	11.70
Clupeoidei	0.25	0.00	0.13
Isopoda	0.20	0.00	1.37
Misc Crab	0.16	0.00	2.41
Pacific sandfish	0.13	0.00	1.32
Flathead sole	0.10	0.00	0.46
Bivalvia	0.08	0.00	0.44
Misc Org	0.06	0.00	0.38
Gastropod	0.06	0.00	1.97
Brittle Star	0.03	0.00	2.21
Euphausiacea	0.03	0.00	1.86
Capreillidea	0.03	0.00	2.23
Cumacea	0.02	0.00	1.24
Teuthida	0.01	0.00	0.59
Misc Anomura	0.01	0.00	0.44
Cnidaria	0.00	0.00	0.35
Copepoda	0.00	0.00	0.26
Misc Crustacea	0.00	0.00	0.33
Misc Amphipoda	0.00	0.00	0.22

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 1992

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