Food and Feeding Habits Summary Gadus macrocephalus
 
Main Ref. Yang, M.S. and M.W. Nelson, 1999
Fish stage juv./adults Mean length NG
Sample size 916 Percent empty 2.6
Country Alaska Locality Islands of Four Mountains to Cape St. Elias
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Gadus macrocephalus
Diet percent Food I Food II Food III Prey stage Item Name Comments
5.50 % zoobenthos benth. crust. amphipods juv./adults Gammaridea 0.09% Cumacea, 0.17% Isopoda, 0.75% Gammaridea, 0.19% Ampeliscidae, 0.01% <>Themisto sp.
28.50 % nekton finfish bony fish juv./adults Theragra chalcogramma 0.43% Clupea pallasi, 2.69% Mallotus villosus, 1.22% Thaleichthys pacificus, 0.24% Gadidae, 5.19% Theragra chalcogramma, 0.90% Zoarcidae, 0.43% Lycodes brevipes, 0.98% Cottidae, 0.25% Artedius sp., 0.63% Dasycottus setiger, 0.11% Agonidae, 0.01% Asterotheca alascana, 0.02% Asterotheca pentacanthus, 0.09% Sarritor frenatus, 0.03% Eumicrotremus orbis, 0.88% Bathymaster signatus, 1.41% Stichaeidae, 0.14% Lumpenus maculatus, 0.14% Poroclinus rothrocki, 0.54% Cryptacanthodes aleutensis, 1.23% Ammodytes hexapterus, 0.98% Pleuronectidae, 2.53% Atheresthes stomias, 0.05% Errex zachirus, 1.25% Hippoglossoides elassodon, 0.32% Pleuronectes bilineatus, 4.87% Osteichthyes Teleostei, 0.61% Non-gadoid fish remains.
24.00 % zoobenthos benth. crust. crabs juv./adults Chionoecetes bairdi 0.26% Reptantia, 0.05% Anomura, 6.37% Paguridae, 0.22% <>Pagurus sp., 0.05% <>Pagurus aleuticus, 0.01% <>Pagurus rathbuni, 0.02% <>Elassochirus tenuimanus, 0.14% <>Acantholithodes hispidus, 0.11% <>Lopholithodes sp., 1.12% <>Lopolithodes foraminatus, 0.41% <>Munida quadrispina, 0.24% Majidae, 0.01% <>Oregonia sp., 0.19% <>Oregonia gracilis, 0.01% <>Oregonia bifurca, 1.85% <>Hyas sp., 1.47% <>Hyas lyratus, 0.01% <>Hyas coarctatus, 0.99% <>Chionoecetes sp., 0.12% <>Chionoecetes opilio, 9.13% <>Chionoecetes bairdi, 0.05% <>Cancer sp., 0.24% <>Cancer oregonensis, 0.41% Pinnotheridae, 0.33% <>Pinnixa sp.
0.90 % zooplankton plank. crust. euphausiids juv./adults euphausiids
0.70 % zoobenthos mollusks gastropods juv./adults Buccinum sp. 0.26% gastropoda, 0.06% <>Buccinum sp., 0.02% <>Neptunea sp., 0.01% Pteropod, 0.32% Bivalvia.
0.10 % zooplankton plank. crust. mysids juv./adults Mysidacea 0.08% Mysidacea, 0.04% Calanoida, 0.02% Cirripedia.
5.60 % others others n.a./others n.a./others fish 5.49% Fishery offal, 0.02% unid. material.
9.30 % zoobenthos worms polychaetes juv./adults Polychaeta 5.02% Polychaeta, 3.11% Aphroditidae, 0.10% Sipuncula, 0.99% Echiura.
18.10 % zoobenthos benth. crust. shrimps/prawns juv./adults Pandalus borealis 0.58% Hippolytidae, 0.14% <>Spirontocaris sp., 0.01% <>Spirontocaris ochotensis, 0.01% <>Spirontocaris arcuata, 0.11% <>Lebbeus groenlandicus, 0.03% <>Eualus barbata, 0.05% <>Eualus avinus, 5.51% Pandalidae, 2.92% <>Pandalus sp., 1.45% <>Pandalus borealis, 0.31% <>Pandalus goniurus, 0.19% <>Pandalus montagui, 0.31% <>Pandalopsis sp., 0.07% <>Pandalopsis dispar, 3.64% Crangonidae, 0.23% <>Crangon sp., 0.01% <>Crangon alaskensis, 0.03% <>Crangon stylirostris, 1.79% <>Crangon communis, 0.09% <>Rhynocrangon alata, 0.32% <>Argis sp., 0.05% <>Argis lar, 0.01% <>Argis dentata, 0.02% <>Argis ovifer, 0.03% <>Argis alaskensis, 0.05% <>Metacrangon munita.
7.30 % nekton cephalopods squids/cuttlefish juv./adults Octopoda 0.06% Cephalopoda, 0.77% Teuthoidea, 0.30% Gonatidae, 6.10% Octopoda.
Entered by Miranda, Lilibeth on 08.15.01
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