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 2002
Number of Full Stomachs : 493
Number of Hauls: 81

Prey Name	Percent Weight	Percent Count	Percent Frequency
Crangonidae (shrimp)	19.72	24.00	45.03
Walleye pollock	16.49	3.00	9.21
Paguridae	8.91	5.00	20.19
Chionoecetes spp.	6.95	1.00	10.05
Gammaridea	6.11	18.00	34.34
Tanner Crab	4.67	1.00	3.14
Cottid	4.24	0.00	5.10
Misc Crab	4.04	1.00	13.87
Zoarcoidae	3.88	3.00	4.30
Ammodytidae	3.55	2.00	11.05
Opilio Crab	3.17	0.00	3.09
Misc Majidae	2.84	1.00	3.75
Offal	2.50	0.00	2.77
Misc Flatfish	2.33	0.00	10.93
Mysidacea	2.12	8.00	25.59
Agonidae	1.34	0.00	3.06
Polychaeta	1.06	4.00	20.02
Clupeoidei	0.99	0.00	0.38
Salmonidae	0.93	0.00	0.15
Misc Gadidae	0.81	0.00	2.09
Misc Brachyura	0.73	0.00	1.27
Misc Teleost	0.57	0.00	7.81
Hippolytidae (shrimp)	0.55	1.00	2.55
Pandalidae (shrimp)	0.42	1.00	8.14
Euphausiacea	0.37	6.00	18.22
Northern rock sole	0.25	0.00	0.69
Misc Shrimp	0.16	0.00	4.51
Stichaeidae	0.11	0.00	1.83
Pacific sandfish	0.09	0.00	0.15
Cumacea	0.04	0.00	1.91
Teuthida	0.03	0.00	0.43
Arrowtooth flounder	0.01	0.00	0.15
Isopoda	0.01	0.00	0.29
Capreillidea	0.01	0.00	0.62
Cancridea	0.00	0.00	0.31
Misc Crustacea	0.00	0.00	0.72
Unid Eggs	0.00	0.00	0.91
Hyperiidea	0.00	0.00	0.46
Bivalvia	0.00	0.00	0.55
Misc Mollusca	0.00	0.00	0.12
Cnidaria	0.00	0.00	0.14
Chaetognatha	0.00	0.00	0.25
Misc Amphipoda	0.00	0.00	0.25
Copepoda	0.00	0.00	0.12

Sample locations for Bering Sea Alaska skate, Bathyraja parmifera, collected in 2002

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