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 2001
Number of Full Stomachs : 728
Number of Hauls: 129

Prey Name	Percent Weight	Percent Count	Percent Frequency
Walleye pollock	22.70	9.00	13.65
Crangonidae (shrimp)	16.07	16.00	37.19
Paguridae	8.34	5.00	19.84
Chionoecetes spp.	7.22	8.00	12.31
Gammaridea	5.57	11.00	33.04
Zoarcoidae	5.09	5.00	6.46
Polychaeta	3.74	3.00	18.08
Ammodytidae	3.72	4.00	9.22
Offal	3.54	1.00	2.29
Misc Flatfish	3.53	5.00	14.78
Opilio Crab	3.02	3.00	3.71
Misc Crab	2.52	1.00	8.17
Misc Gadidae	1.95	1.00	2.75
Northern rock sole	1.95	1.00	3.68
Yellowfin sole	1.60	0.00	2.33
Pandalidae (shrimp)	0.89	1.00	4.52
Flathead sole	0.72	0.00	0.78
Pacific Cod	0.68	0.00	0.09
Cyclopteridae	0.65	0.00	0.39
Misc Crustacea	0.65	0.00	1.96
Pacific sandfish	0.57	0.00	0.19
Cottid	0.55	1.00	2.92
Hippolytidae (shrimp)	0.53	1.00	2.99
Misc Shrimp	0.52	1.00	4.95
Tanner Crab	0.51	0.00	1.62
Mysidacea	0.44	2.00	9.26
Misc Majidae	0.40	0.00	0.90
Misc Teleost	0.37	1.00	6.78
Stichaeidae	0.36	0.00	1.27
Teuthida	0.35	0.00	0.19
Hyperiidea	0.34	0.00	1.55
Clupeoidei	0.25	0.00	0.55
Agonidae	0.19	0.00	1.72
Bering Flounder	0.15	0.00	0.26
Euphausiacea	0.11	1.00	3.10
Misc Brachyura	0.09	0.00	0.78
Cancridea	0.04	0.00	0.16
Bivalvia	0.04	0.00	1.60
Misc Hexagrammidae	0.03	0.00	0.09
Isopoda	0.01	0.00	0.19
Cnidaria	0.01	0.00	0.47
Gastropod	0.00	0.00	0.24
Cumacea	0.00	0.00	0.50
Misc Worm	0.00	0.00	0.08
Misc Org	0.00	0.00	0.16
Fish Eggs	0.00	0.00	0.10
Brittle Star	0.00	0.00	0.10
Capreillidea	0.00	0.00	0.08

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 2001

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