Eigenmannia virescens (Glass knives fish)

It is a "glass knife" fish with night and predator behavior. Basically fish, it feeds with insect larvae and effectively moves with a ripple of its anal fin. He lives in a group of around forty individuals. Its electric emission has the detection function but also is used to cohes the bench and plays a social role. The generators, located in the posterior part of the body and in the tail, deliver in the water a wave current of a few volts. The signal has a frequency of 400 to 600 Hz.

The Eigenmannia Virescens fish is an electric fish from the gymnotiforms family, originally from South America. It is characterized by its ability to produce electric fields thanks to special organs located on the sides of its body.

The eigenmannia virescens fish measures about 15 centimeters in length, with an elongated shape and a slim body. Its color varies from dark gray to dark brown, with lighter spots on the belly. The fish has medium -sized eyes and a pointed muzzle, allowing it to easily capture its prey.

The Eigenmannia Virescens fish is mainly a night predator, which hunts prey such as insects, small fish and worms. However, it can also feed on algae and fruits that have fallen into water. The fish uses its electric fields to locate and capture its prey, as well as to communicate with other electric fish.

The Eigenmannia Virescens fish lives in the shallow waters of rivers and lakes from South America, mainly in Colombia, Venezuela and Brazil. It prefers calm and dark waters, often near the vegetation or rocks. The fish can survive in temperate or tropical waters, with a temperature ranging from 18 to 28 degrees Celsius.

The Eigenmannia Virescens fish is considered a endangered species due to the destruction of its natural habitat and water pollution. Many conservation projects are underway to protect this unique and fascinating species.

The male is much larger than the female.

Very rare in aquarium.