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FishBase
Food and Feeding Habits Summary Oncorhynchus mykiss
 
Main Ref. Ferriz, R.A., 1993
Fish stage juv./adults Mean length 31.00 TL
Sample size 10 Percent empty
Country Argentina Locality Rio Limay, Patagonia , winter 1980
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
21.90 % plants phytoplankton blue-green algae n.a./others Cyanophyta Cyanophyta
20.80 % nekton finfish bony fish juv./adults Odontesthes hatcheri Odontesthes hatcheri 12.3 misc. fishes 8.5
1.20 % zoobenthos insects insects larvae Nectopsyche sp. Nectopsyche sp.
37.80 % zoobenthos benth. crust. n.a./other benth. crustaceans juv./adults Aegla spp. Aegla spp.
18.30 % others others n.a./others n.a./others Coleoptera Coleoptera terrestrial
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