Arapaima gigas

Arapaima gigas  is the largest freshwaterfish in the world. You can only keep them in a large showaquarium in a zoo.

Description

Arapaima gigas

Arapaima gigas  is the largest freshwaterfish in the world. You can only keep them in a large showaquarium in a zoo. He is very aggressive to species of his own kind (especially at older age), so in smaller tanks you can only keep one fish. He is a predator, so you cannot keep them with smaller fish.

Arapaima gigas was first described in 1822 by Schinz.

In the wild you sometimes can hear the Arapaima gigas. They do not only breath under water but also take gulps of air above water. They do this in a loud manner that can be heard over a large distance.

Synonyms: Sudis gigas, Arapaema gigas, Sudis pirarucu, Vastres cuvieri, Vastres arapaima, Vastres agassizii, Vastres mapae.

Origin

Arapaimas can be found in South America. They inhabit the Amazon and Rio Marañón in Brazil, Colombia, Ecuador and Peru.

Diet

They are carnivorous, so you should feed them with live food like fish.

Breeding Arapaima gigas

It is impossible to breed them in the aquarium because they need a very large aquarium. In the wild they make a crater nest in the sand, 15 centimeters deep and 50 centimeters wide. The parents guard the eggs and fry.

Extra info

Due to overfishing Arapaima gigas has become an endangered species. The number of fishes has been dropping rapidly.

Video

Authors

Jan Bukkems – Aquavisie
John de Lange

Copyright images

Hung You Chen

References

Fishbase.org

Additional information

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