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 1999
Number of Full Stomachs : 298
Number of Hauls: 58

Prey Name	Percent Weight	Percent Count	Percent Frequency
Paguridae	18.77	12.00	35.93
Walleye pollock	18.07	13.00	12.28
Gammaridea	9.97	5.00	38.63
Chionoecetes spp.	8.85	13.00	17.18
Zoarcoidae	4.88	5.00	5.05
Offal	3.91	1.00	1.69
Tanner Crab	3.76	2.00	2.67
Polychaeta	3.13	1.00	19.54
Misc Flatfish	2.88	3.00	6.42
Misc Shrimp	2.87	2.00	9.26
Misc Teleost	2.74	8.00	11.57
Misc Majidae	2.32	3.00	3.51
Opilio Crab	1.96	2.00	3.63
Misc Gadidae	1.68	2.00	3.35
Yellowfin sole	1.58	0.00	0.43
Clupeoidei	1.50	1.00	2.95
Misc Brachyura	1.48	1.00	1.75
Northern rock sole	1.26	0.00	0.34
Salmonidae	1.26	0.00	0.22
Pandalidae (shrimp)	1.23	1.00	2.95
Flathead sole	1.04	0.00	0.22
Crangonidae (shrimp)	0.98	2.00	8.32
Stichaeidae	0.91	2.00	2.03
Misc Lithodidae	0.70	0.00	0.57
Misc Crab	0.55	0.00	4.52
Cottid	0.38	0.00	2.01
Agonidae	0.25	1.00	1.01
Isopoda	0.24	0.00	1.72
Mysidacea	0.19	0.00	5.31
Ammodytidae	0.18	0.00	1.72
Misc Cephalopoda	0.11	0.00	0.34
Misc Crustacea	0.08	0.00	1.60
Euphausiacea	0.08	0.00	3.78
Cnidaria	0.06	0.00	0.92
Hippolytidae (shrimp)	0.04	0.00	0.99
Cyclopteridae	0.03	0.00	1.72
Misc Decapoda	0.03	0.00	0.17
Sea Cucumber	0.02	0.00	0.29
Gastropod	0.01	0.00	0.19
Unid Eggs	0.00	0.00	0.29
Hyperiidea	0.00	0.00	0.72
Misc Org	0.00	0.00	0.34
Teuthida	0.00	0.00	0.17

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 1999

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