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Food and Feeding Habits Summary Prosopium williamsoni
 
Main Ref. Thompson, G.E. and R.W. Davies, 1976
Fish stage adults Mean length 32.50 TL
Sample size 39 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
1.90 % zoobenthos insects insects larvae Coleoptera Coleoptera
2.90 % zoobenthos insects insects larvae Plecoptera Plecoptera
8.00 % zoobenthos insects insects larvae Trichoptera Trichoptera
10.80 % zoobenthos insects insects larvae Hemiptera Hemiptera
18.20 % zoobenthos insects insects larvae Diptera Diptera
19.10 % zoobenthos insects insects pupae Ephemeroptera Ephemeroptera
37.00 % zoobenthos other benth. invertebrates n.a./other benth. invertebrates juv./adults invertebrates terrestrial invertebrates
2.10 % zoobenthos worms non-annelids larvae Nematoda Nematoda
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