Fish Base
The species is viviparous . 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 to a month .

EFish
Reproductive Habits:
� Mature rapidly, and may reproduce 4-6 weeks after birth
� Spawning occurs mid-April to September in water 15.5-20�C
� 3-4 weeks for young to develop inside female, young are born live
� 1-354 young per brood