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Food and Feeding Habits Summary Gasterosteus wheatlandi
 
Main Ref. Walsh, G. and G.J. Fitzgerald, 1984
Fish stage juv./adults Mean length NG
Sample size 20 Percent empty
Country Canada Locality I'Isle-Verte, Quebec sur la rive sud de l'estuaire du Saint-Laurent, May 25,1981
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Gasterosteus wheatlandi
Diet percent Food I Food II Food III Prey stage Item Name Comments
2.70 % zoobenthos benth. crust. amphipods juv./adults Gammaridae Gammaridae 2.6
29.60 % zooplankton fish (early stages) fish eggs/larvae eggs Gasterosteidae Gasterosteidae (eggs) 28.7
2.10 % zoobenthos mollusks gastropods juv./adults Gastropoda Gastropoda 2.1
6.70 % zoobenthos insects insects adults Corixidae Corixidae 6.5
4.90 % zoobenthos insects insects larvae Chironomidae (larvae) Chironomidae (larvae) 4.7
15.60 % zoobenthos insects insects pupae Chironomidae Chironomidae (pupae)
38.40 % zooplankton plank. crust. plank. copepods juv./adults Copepoda Copepoda 37.2
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