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 2000
Number of Full Stomachs : 557
Number of Hauls: 116

Prey Name	Percent Weight	Percent Count	Percent Frequency
Walleye pollock	14.65	4.00	11.15
Chionoecetes spp.	12.99	7.00	20.24
Crangonidae (shrimp)	8.99	12.00	31.24
Gammaridea	8.79	22.00	41.47
Misc Crab	7.53	4.00	23.01
Opilio Crab	7.44	3.00	10.94
Paguridae	6.12	4.00	18.20
Polychaeta	5.35	4.00	25.38
Misc Flatfish	4.11	2.00	11.20
Ammodytidae	3.74	3.00	10.64
Zoarcoidae	3.62	1.00	3.06
Mysidacea	2.02	11.00	29.97
Offal	1.88	0.00	0.99
Tanner Crab	1.84	0.00	6.30
Pacific sandfish	1.45	0.00	1.29
Clupeoidei	1.13	0.00	1.08
Misc Shrimp	1.08	1.00	9.58
Agonidae	0.95	0.00	4.66
Pandalidae (shrimp)	0.81	1.00	4.58
Yellowfin sole	0.77	0.00	1.08
Pacific Cod	0.67	0.00	0.12
Misc Gadidae	0.59	0.00	2.08
Cottid	0.58	0.00	4.14
Misc Teleost	0.54	0.00	8.27
Hyperiidea	0.33	0.00	1.43
Hippolytidae (shrimp)	0.32	0.00	2.32
Misc Majidae	0.30	0.00	1.01
Stichaeidae	0.29	0.00	1.15
Euphausiacea	0.28	2.00	7.80
Teuthida	0.24	0.00	1.18
Misc Brachyura	0.12	0.00	0.70
Flathead sole	0.12	0.00	0.53
Cyclopteridae	0.09	0.00	1.29
Misc Crustacea	0.06	0.00	1.02
Sea Cucumber	0.04	0.00	0.63
Unid Eggs	0.04	0.00	0.22
Misc Worm	0.03	0.00	0.61
Misc Org	0.02	0.00	2.39
Gastropod	0.02	0.00	0.74
Cumacea	0.01	0.00	2.25
Bivalvia	0.00	0.00	1.41
Misc Decapoda	0.00	0.00	0.12
Tunicate	0.00	0.00	0.09
Isopoda	0.00	0.00	0.29
Capreillidea	0.00	0.00	0.30
Brittle Star	0.00	0.00	0.12
Copepoda	0.00	0.00	0.11

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 2000

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