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FishBase
Food and Feeding Habits Summary Salmo trutta
 
Main Ref. Nilsson, N.-A., 1957
Fish stage adults Mean length NG
Sample size 15 Percent empty 13.3
Country Sweden Locality River Rensjön, Station 9. 1955
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Salmo trutta
Diet percent Food I Food II Food III Prey stage Item Name Comments
7.30 % nekton finfish bony fish juv./adults bony fish
3.80 % zoobenthos mollusks gastropods juv./adults Limnaea Limnaea
12.30 % zoobenthos mollusks gastropods juv./adults Valvata Valvata
13.90 % zoobenthos insects insects adults Trichoptera Trichoptera (7.7), terrestrial insects (6.2)
54.20 % zoobenthos insects insects larvae Trichoptera Trichoptera (4.2), Ephemeroptera (2.7), Dytiscidae (38.8), Chironomidae (0.8)
8.50 % zoobenthos benth. crust. n.a./other benth. crustaceans juv./adults Phyllopoda Phyllopoda
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