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FishBase
Food and Feeding Habits Summary Oncorhynchus mykiss
 
Main Ref. Pearcy, W.G., R.D. Brodeur and J.P. Fisher, 1990
Fish stage recruits/juv. Mean length 22.60 FL
Sample size 98 Percent empty 4
Country USA Locality Off Oregon and Washington
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Oncorhynchus mykiss
Diet percent Food I Food II Food III Prey stage Item Name Comments
61.50 % nekton finfish bony fish juv./adults Sebastes Sebastes, Hemilepidotus, Clupea, Allosmerus, Anoplopoma, Hexagrammos, Ophiodon, Ammodytes
32.70 % zooplankton plank. crust. euphausiids juv./adults Euphausia Euphausia, Thysanoessa
0.10 % zooplankton jellyfish/hydroids jellyfish/hydroids juv./adults Siphonophora Siphonophora
0.20 % zoobenthos worms n.a./other annelids juv./adults annelids
1.60 % zooplankton plank. crust. n.a./other plank. crustaceans juv./adults Cirripedia Cirripedia
1.60 % zooplankton plank. crust. n.a./other plank. crustaceans juv./adults Hyperoche Hyperoche, Hyperia, Brachyscelus
1.90 % zooplankton plank. crust. n.a./other plank. crustaceans recruits/juv. Cancer magister Cancer magister, Cancer oregonensis megalopae
0.10 % zooplankton other plank. Invertebrates n.a./other plank. invertebrates juv./adults plank. invertebrates
0.10 % zoobenthos cnidarians n.a./other polyps juv./adults polyps
0.20 % nekton cephalopods squids/cuttlefish juv./adults squids/cuttlefish
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