Guppy fish

Blue sky guppy fish.
the little tail is wide the male, and the big belly is female, male is smaller than the female.
This fish lives in fresh water and does not flow.

Guppy fish can produce tillers up to 30 tillers.
This fish gave birth not to lay eggs.
If it is time to marry male fish will chase the female fish (perform ritual) attract the attention of the female.