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 2007
Number of Full Stomachs : 294
Number of Hauls: 67

Prey Name	Percent Weight	Percent Count	Percent Frequency
Walleye pollock	15.62	5.00	8.71
Crangonidae (shrimp)	13.90	15.00	37.75
Chionoecetes spp.	10.31	10.00	15.83
Paguridae	9.21	9.00	20.80
Misc Flatfish	8.73	7.00	18.65
Offal	7.66	0.00	6.40
Tanner Crab	6.81	6.00	9.36
Zoarcoidae	3.43	3.00	6.31
Gammaridea	3.22	13.00	25.01
Misc Teleost	2.37	3.00	13.61
Ammodytidae	2.30	2.00	7.14
Misc Majidae	2.11	1.00	3.90
Opilio Crab	1.89	0.00	0.92
Agonidae	1.36	1.00	3.72
Misc Crab	1.25	1.00	7.83
Cottid	1.25	1.00	5.02
Mysidacea	1.11	2.00	13.74
Red King Crab	1.10	0.00	1.71
Yellowfin sole	0.83	0.00	2.78
Pandalidae (shrimp)	0.80	1.00	4.30
Flathead sole	0.79	0.00	0.19
Pacific sandfish	0.70	0.00	0.37
Polychaeta	0.65	1.00	11.17
Northern rock sole	0.59	0.00	2.09
Euphausiacea	0.44	1.00	3.54
Misc Shrimp	0.43	1.00	8.50
Misc Crustacea	0.28	0.00	1.67
Misc Gadidae	0.21	1.00	1.87
Misc Worm	0.16	0.00	1.49
Misc Org	0.11	0.00	0.50
Hippolytidae (shrimp)	0.08	0.00	0.94
Cancridea	0.08	0.00	0.61
Stichaeidae	0.05	0.00	1.24
Osmerid	0.04	0.00	0.90
Bivalvia	0.04	0.00	1.21
Isopoda	0.03	0.00	0.80
Brittle Star	0.02	0.00	1.41
Cnidaria	0.01	0.00	0.17
Hyperiidea	0.01	0.00	0.50
Misc Echinoderm	0.01	0.00	0.50
Cyclopteridae	0.01	0.00	0.37
Misc Amphipoda	0.00	0.00	0.50
Cumacea	0.00	0.00	0.55
Teuthida	0.00	0.00	0.15
Capreillidea	0.00	0.00	0.50

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 2007

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