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FishBase
Food and Feeding Habits Summary Oncorhynchus mykiss
 
Main Ref. Ferriz, R.A., 1993
Fish stage juv./adults Mean length 34.10 TL
Sample size 33 Percent empty
Country Argentina Locality Rio Limay, Patagonia , autumn 1981
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
0.80 % zoobenthos insects insects larvae Nectopsyche sp. Nectopsyche sp.
4.90 % zoobenthos insects insects nymphs Baetis sp. Baetis sp. 4.9
5.10 % zoobenthos benth. crust. n.a./other benth. crustaceans juv./adults Samastacus spinifrons Samastacus spinifrons
63.70 % zoobenthos benth. crust. n.a./other benth. crustaceans juv./adults Aegla spp. Aegla spp.
3.80 % zoobenthos mollusks n.a./other mollusks juv./adults Chilina gibbosa Chilina gibbosa
21.70 % others others n.a./others n.a./others Coleoptera misc. terrestrial insects 16.9 Coleoptera terrestrial 4.8
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