estuaire - Discover fishes living in these biotopes

The silver moony is a common species found in various coastal habitats, from bays and mangroves to muddy coastal reefs. It primarily feeds on plankton and detritus. Its range extends from the Red Sea and East Africa to Polynesia and Australia, including the Persian Gulf and the freshwater zone of the Mekong Delta.

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.

During breeding, the male digs a hole in the sand. A female will deposit it eggs that it will shelter in its mouth. After hatching, the young remain close to the adults. In case of danger, they take refuge in the mouths of their parents. It is bred in pisciculture.

Industrial fishing has endangered spawning stocks of the species. Its flesh is sometimes used to make "coley" sticks (Fish sticks). It has been attempted to use the fish for pisciculture. But because of the low profitability, farming the fish was abandoned.

Pseudobalistes flavimarginatus, better known as the "yellowmargin triggerfish" due to the coloration of its body, is a fish belonging to the balistidae family. It is found in tropical waters of the Indo-Pacific. It can be encountered on reefs and estuaries, but can also be observed on slopes and in lagoons.

The large pectoral fins of this fish serve as a fish net to capture prey. Its color (alternating dark and light bands) indicate to predators that it is poisonous: there are poison glands in the skin covering its spines. It can cause serious or fatal accidents.

The moon wrasse inhabits the coral reefs of the Indo-Pacific. This species is sometimes referred to as the moon wrasse due to the shape and yellow color of their caudal fin. This wrasse primarily feeds on small invertebrates residing in the rocks and fish eggs.