Food and Feeding Habits Summary Gadus macrocephalus
 
Main Ref. Fujita, T., D. Kitagawa, Y. Okuyama, Y. Ishito, T. Inada and Y. Jin, 1995
Fish stage juv./adults Mean length 52.70 SL
Sample size 336 Percent empty 2
Country Japan Locality 120 and 140 m off the Pacific coast of Iwate Perfecture.
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
5.00 % nekton finfish bony fish juv./adults Theragra chalcogramma Theragra chalcogramma 4.0 Alcichthys alcicornis 1.0 Physiculus japonicus <1.0 Cottiusculus gonez <1.0
67.00 % nekton finfish bony fish juv./adults Sardinops sagax Sardinops sagax 66.0 Engraulis japonicus <1.0
11.00 % nekton finfish bony fish n.a./others fishes unidentified fishes
1.00 % detritus detritus debris n.a./others detritus unidentified organic matter
8.00 % zooplankton plank. crust. euphausiids juv./adults euphausiids
4.00 % zoobenthos benth. crust. n.a./other benth. crustaceans juv./adults Crangon sagamiensis Gammaroidea <1.0 Crangon sagamiensis <1.0 Oregonia gracilis <1.0 Majidae <1.0 Erimacrus isenbeckii <1.0 Podocactes hamifer 1.0 unidentified brachyurans <1.0
0.50 % zoobenthos worms polychaetes juv./adults Polychaeta Polychaeta
0.50 % zoobenthos echinoderms sea stars/brittle stars juv./adults Ophiuroidea Ophiuroidea
3.00 % nekton cephalopods squids/cuttlefish juv./adults Cephalopoda Cephalopoda
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