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FishBase
Food and Feeding Habits Summary Percopsis transmontana
 
Main Ref. Gray, R.H. and D.D. Dauble, 1979
Fish stage juv./adults Mean length 5.40 NG
Sample size 55 Percent empty 23.64
Country USA Locality Central Columbia river
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Percopsis transmontana
Diet percent Food I Food II Food III Prey stage Item Name Comments
4.00 % zoobenthos benth. crust. amphipods juv./adults amphipods
3.00 % zooplankton plank. crust. cladocerans juv./adults cladocerans
84.00 % zoobenthos insects insects larvae Diptera 58% Diptera, 24% Trichoptera, 2% unknown terrestrial insects.
5.00 % zoobenthos insects insects pupae Diptera 3% Diptera, <1% Trichoptera, <1% Ephemeroptera.
4.00 % zooplankton plank. crust. plank. copepods juv./adults plank. copepods
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