Reproduction of Gambusia affinis
Document source: http://www.fishbase.org/Reproduction/FishReproSummary.php?ID=3215&GenusName=Gambusia&SpeciesName=affinis&fc=216&StockCode=3411
 
Main Ref. Seale, A., 1917
Mode dioecism
Fertilization internal (oviduct)
Spawning frequency No obvious seasonal peak
Batch spawner Ref.  
Reproductive guild bearers
internal live bearers
Parental Care
Description of life cycle and mating behavior The species is viviparous (Ref. 5258). Internal fertilization is possible because the anal fin of the male is modified into a copulatory organ. The females carries about 30 alevins and gestation lasts for a period of 24 days (Ref. 6348) to a month (Ref. 30578).
Search for more references on reproduction Scirus
(e.g. 9948)
( e.g. cephalopods )
Entered by Torres, Armi G. on 03.23.93
Modified by Casal, Christine Marie V. on 08.04.06
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