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FishBase
Food and Feeding Habits Summary Prosopium williamsoni
 
Main Ref. Thompson, G.E. and R.W. Davies, 1976
Fish stage juv./adults Mean length 22.50 TL
Sample size 12 Percent empty
Country Canada Locality Sheep River, Calgary, Alberta
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Prosopium williamsoni
Diet percent Food I Food II Food III Prey stage Item Name Comments
4.30 % zoobenthos insects insects larvae Plecoptera Plecoptera
8.60 % zoobenthos insects insects larvae Trichoptera Trichoptera
50.80 % zoobenthos insects insects larvae Diptera Diptera
27.80 % zoobenthos insects insects pupae Ephemeroptera Ephemeroptera
0.20 % zoobenthos other benth. invertebrates n.a./other benth. invertebrates juv./adults Hydracarina Hydracarine
8.30 % zoobenthos other benth. invertebrates n.a./other benth. invertebrates juv./adults invertebrates terrestrial invertebrates
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