It must be kept in a good sized aquarium with efficient filtration, as it is used to chewing it food and scattering it. It is sometimes aggressive toward other species. It breeds easily in captivity. There are several varieties.

It lives in fresh water but also in brackish water. Like most puffer fish species, its flesh and organs are toxic. In captivity, adults can be aggressive towards other fish species.

The barred flagtail gets its name from the pattern on its caudal fin. In the wild, it is found in large schools not far from the shore. At nightfall, these fish go hunting for crustaceans and small fish.

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.

It is one of the most known species to aquarists. It breeds easily in captivity, but it is too often taken from the wild. For several years, it has started to being raised in it home region. It became a source of income for local people.

Its attractive coloring is mainly due to the refraction of light on the scales. They breed easily in aquariums.

It is accommodated to life in freshwater. It is ovoviviparous: the eggs hatch in it body, and it gives birth to fully formed juveniles. It acclimate easily in aquariums, but beware of the stings from its tail that can inflict very painful wounds.

It is carnivorous, its sharp teeth have earned it the local name. (Pira = fish, Nha = tooth). Its dangerousness was often exaggerated: it serves as prey of many animals (alligators, giant otter ...). Piranhas are especially dangerous for humans in the dry season, when they lack food.

It is a nocturnal hunter. It lives in the bottom of the rivers, where it remains upright to hide among the reeds. It fits well in a large aquarium. But we must avoid leaving it with small fish that it could eat.