Resource Ecology and Ecosystem Modeling Groundish Diet Composition

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Diet Compostion Tables > Pacific cod Home

Diet table for Aleutian Islands Pacific cod, Gadus macrocephalus, collected in 1997
Number of Full Stomachs : 542
Number of Hauls: 59

Prey Name	Percent Weight	Percent Count	Percent Frequency
Misc Teleost	12.71	12.00	35.05
Misc Shrimp	12.45	13.00	41.01
Cottid	12.39	8.00	20.69
Atka Mackeral	7.50	0.00	3.14
Pandalidae (shrimp)	7.18	10.00	18.30
Walleye pollock	6.45	0.00	2.95
Sebastes	4.05	0.00	1.45
Polychaeta	3.74	5.00	20.45
Teuthida	3.20	5.00	17.28
Hippolytidae (shrimp)	2.99	7.00	15.79
Gammaridea	2.46	9.00	28.16
Cancridea	2.27	0.00	1.97
Clupeoidei	2.12	0.00	0.40
Ammodytidae	2.11	1.00	1.49
Misc Crab	1.83	1.00	5.04
Tanner Crab	1.72	1.00	4.45
Euphausiacea	1.50	2.00	6.28
Gastropod	1.46	1.00	2.63
Misc Majidae	1.37	0.00	3.06
Bathylagid	1.22	1.00	0.97
Zoarcoidae	1.13	0.00	1.07
Myctophidae	1.11	2.00	3.24
Misc Gadidae	0.85	0.00	1.17
Octopoda	0.74	0.00	1.97
Paguridae	0.71	0.00	1.98
Misc Worm	0.68	0.00	0.44
Stichaeidae	0.66	0.00	2.10
Crangonidae (shrimp)	0.54	1.00	4.57
Misc Org	0.41	0.00	1.87
Unid Eggs	0.40	0.00	1.00
Tunicate	0.30	0.00	1.88
Sablefish	0.24	0.00	0.11
Misc Flatfish	0.19	0.00	0.86
Misc Lithodidae	0.19	0.00	0.14
Offal	0.15	0.00	0.25
Rajadae	0.10	0.00	0.15
Isopoda	0.05	1.00	2.77
Bivalvia	0.04	0.00	0.64
Agonidae	0.04	0.00	0.14
Sea Urchin	0.04	0.00	0.41
Misc Anomura	0.03	0.00	0.59
Misc Cephalopoda	0.03	0.00	0.70
Brittle Star	0.01	0.00	0.40
Cnidaria	0.01	0.00	0.12
Unid Rockfish	0.01	0.00	0.15
Misc Org	0.01	0.00	0.11
Mysidacea	0.00	0.00	0.75
Fish Eggs	0.00	0.00	0.14
Hyperiidea	0.00	0.00	0.26
Misc Mollusca	0.00	0.00	0.11
Copepoda	0.00	0.00	0.32
Cumacea	0.00	0.00	0.22

Sample locations for Aleutian Islands Pacific cod, Gadus macrocephalus, collected in 1997

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