Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Northern rockfish Home

Diet table for Aleutian Islands Northern rockfish, Sebastes polyspinis, collected in 1991
Number of Full Stomachs : 115
Number of Hauls: 18

Prey Name	Percent Weight	Percent Count	Percent Frequency
Euphausiacea	28.67	12.00	48.87
Copepoda	25.85	8.00	62.81
Chaetognatha	9.29	0.00	22.57
Hyperiidea	7.56	0.00	22.88
Gammaridea	5.67	0.00	9.60
Misc Crustacea	5.54	5.00	26.98
Misc Org	5.15	0.00	10.02
Misc Shrimp	3.58	8.00	25.31
Polychaeta	2.36	0.00	7.41
Offal	1.22	0.00	1.39
Misc Cephalopoda	1.04	0.00	1.39
Mysidacea	0.94	0.00	1.48
Misc Worm	0.71	0.00	2.78
Paguridae	0.62	6.00	10.12
Teuthida	0.55	0.00	3.95
Pteropoda	0.49	0.00	13.44
Myctophidae	0.23	0.00	0.56
Misc Decapoda	0.19	2.00	1.61
Cnidaria	0.15	0.00	0.44
Misc Teleost	0.12	0.00	0.62
Tanner Crab	0.03	3.00	0.84
Misc Majidae	0.02	0.00	0.62
Unid Eggs	0.02	0.00	0.44
Misc Amphipoda	0.01	0.00	1.11

Sample locations for Aleutian Islands Northern rockfish, Sebastes polyspinis, collected in 1991

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