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Food and Feeding Habits Summary Heteropneustes fossilis
 
Main Ref. Weliange, W.S. and U.S. Amarasinghe, 2007
Fish stage adults Mean length 21.40 TL
Sample size 45 Percent empty
Country Sri Lanka Locality Minneriya reservoir, August 1998-August 2000
Period
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
Highlighted items on the list are known Feeding Periods of Heteropneustes fossilis
Diet percent Food I Food II Food III Prey stage Item Name Comments
60.00 % nekton finfish bony fish juv./adults fish fish scales, fish eggs, small juvenile fish, fish skeletons
2.00 % zooplankton plank. crust. cladocerans juv./adults Bosminopsis Bosminopsis, Moina, Daphnia, Diaphanasoma, Ceriodaphnia
5.00 % detritus detritus debris n.a./others detritus soft sediments, particulate matter
5.00 % zoobenthos mollusks gastropods juv./adults gastropods Aquatic gastropods, bivalves
8.00 % zoobenthos insects insects adults insects flying insects, other terrestrial insects, aquatic insects
5.00 % zoobenthos insects insects larvae Chironomidae larval stages of Chironomidae, Ephemeroptera and Odonata
1.00 % plants phytoplankton n.a./other phytoplankton n.a./others phytoplankton diatoms, blue greens, green algae, uncommon algae, filamentous algae
3.00 % zoobenthos benth. crust. ostracods juv./adults Chydorids Chydorids, Macrothrix and Cypridopsis
2.00 % zooplankton plank. crust. plank. copepods juv./adults Calanoid Calanoid and cyclopoid copepods, body parts
9.00 % plants other plants terrestrial plants leaves/blades plants Terrestrial and aquatic plants
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