Asia - List of fishes

This fish breeds between May and June. During this period, the male has white wattles (pustules) on the it ad. The female lays enormous quantities of small eggs (100 to 300,000) that cling to the vegetation of the territory of the males. Spawning is noisy and causes splashes.

This small fish detects alarm substances emitted by previous preys of a pike. This allows it to determine whether the predator is fasting or not. Breeding occurs from May to July. This species is frequently used as live bait to catch big fish (pike, perch).

It owes its name of "freshwater shark" only to the shape of its dorsal fin. It behavior and it food have nothing comparable. It acclimates easily to the aquarium.

Small barbs located around its mouth enable it to detect food. It is easy to breed in captivity. The species is very prolific, nests often have over 500 juveniles.

It has a brighter color than the female. In breeding season, it builds a bubble nest. After courtship and spawning, it collects and keeps the eggs in the nest until hatching. The males are so aggressive towards one another that in the Far East, fights are organized.