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 1994
Number of Full Stomachs : 209
Number of Hauls: 44

Prey Name	Percent Weight	Percent Count	Percent Frequency
Walleye pollock	24.27	9.00	23.88
Zoarcoidae	16.80	9.00	21.98
Salmonidae	7.60	0.00	2.61
Gammaridea	7.31	24.00	30.21
Opilio Crab	6.00	3.00	15.68
Paguridae	5.56	5.00	22.33
Chionoecetes spp.	3.95	4.00	15.08
Polychaeta	3.47	5.00	16.00
Bering Flounder	3.10	0.00	2.58
Crangonidae (shrimp)	2.66	7.00	20.56
Misc Majidae	2.44	0.00	4.83
Misc Flatfish	2.07	1.00	3.64
Pacific Cod	1.69	0.00	3.30
Stichaeidae	1.60	2.00	5.27
Northern rock sole	1.41	1.00	1.69
Offal	1.36	0.00	1.56
Tanner Crab	1.29	1.00	3.81
Hippolytidae (shrimp)	1.28	5.00	14.24
Arrowtooth flounder	1.03	0.00	0.65
Misc Teleost	0.74	2.00	7.59
Flathead sole	0.71	0.00	0.76
Cottid	0.70	0.00	2.20
Misc Gadidae	0.62	1.00	5.46
Pandalidae (shrimp)	0.51	2.00	6.20
Cyclopteridae	0.39	0.00	3.41
Misc Org	0.32	0.00	2.27
Unid Rockfish	0.29	0.00	0.28
Mysidacea	0.24	0.00	3.62
Brittle Star	0.20	1.00	3.01
Misc Crustacea	0.14	0.00	0.57
Misc Shrimp	0.12	2.00	6.14
Teuthida	0.06	0.00	0.45
Isopoda	0.02	0.00	0.95
Misc Mollusca	0.01	0.00	0.23
Agonidae	0.01	0.00	0.57
Misc Crab	0.01	0.00	0.28
Hyperiidea	0.01	0.00	0.45
Misc Worm	0.01	0.00	0.23
Fish Eggs	0.00	0.00	0.57
Copepoda	0.00	0.00	0.57
Euphausiacea	0.00	0.00	0.28

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 1994

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