Food and Feeding Habits Summary Gasterosteus aculeatus
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
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Gasterosteus aculeatus
Diet percent Food I Food II Food III Prey stage Item Name Comments
25.40 % zoobenthos benth. crust. amphipods juv./adults Gammaridae Gammaridae
2.20 % zoobenthos benth. crust. benth. copepods juv./adults Copepoda Copepoda
53.00 % zooplankton fish (early stages) fish eggs/larvae eggs Gasterosteidae Gasterosteidae (eggs)
3.80 % zooplankton fish (early stages) fish eggs/larvae larvae Gasterosteidae Gasterosteidae larvae
2.50 % zoobenthos insects insects adults Corixidae Corixidae
13.10 % zoobenthos insects insects pupae Chironomidae Chironomidae (pupae)
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