Reproduction of Bidyanus bidyanus
Document source: http://fishbase.mnhn.fr/Reproduction/FishReproSummary.php?ID=12232&GenusName=Bidyanus&SpeciesName=bidyanus&fc=299&StockCode=12558
 
Main Ref. Merrick, J.R. and G.E. Schmida, 1984
Mode dioecism
Fertilization external
Mating type
Spawning frequency one clear seasonal peak per year
Spawning aggregation Ref.  
Batch spawner Ref.  
Reproductive guild nonguarders
brood hiders
Parental Care paternal
Description of life cycle and mating behavior Upstream spawning migration in summer to areas behind the peak of the flood. Spawning commences late in the afternoon from the surface to a depth of about 4 m, where there is a flow over a gravel, rock rubble substrate. Considerable spawning activity happens at the water surface. A single female circles slowly to the surface with her head deep and several males participate in courtship and finally in fertilization (Ref. 2906).
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