rivière - Discover fishes living in these biotopes

Much of it body is transparent. In the rainy season, it takes advantage of the floods to exit the riverbed where it lives to breed. It easily accommodates to life in the aquarium. Its flesh is used for the production of a "fish sauce".

It is not an eel, it owes its name to the shape of it body. It is a nocturnal species and during the day it hides in the sand. It is threatened because of overfishing. In captivity, it must be introduced in a large aquarium where there are no small fish.

Color varies according to gender: the male is blue and yellow, the female is brown and green. Once formed, the pair lays each day some eggs in the vegetation. The eggs hatch after 12 days. It is easy to breed in captivity.

The rainbow trout comes from the western United States where she was raised intensively since the beginning of the twentieth century. It was introduced in many parts of the world. In Europe, it sometimes supplants the native trout. In Wallonia, its introduction is prohibited in the natural environment.