Astyanax fasciatus mexicanus (Blind tetra)

Adult size9 cm
Temperature19 - 26 °C
pH5.9 - 8.2
Minimum aquarium capacity (in liters)100 L

Description

This fish is suitable for the community aquarium. Do not eat plants. The blind fish smell their food and almost eat like the lights.

The Astyanax Fasciatus Mexicanus fish is a freshwater fish from Mexico. It is also known as the Mexican ecrevisse fish. It is a species of fish from the Characidae family, which also includes fish such as catfish, snatting fish and clownfish. The Astyanax Fasciatus Mexicanus fish is a small fish, generally gray or brown in color, with darker spots on its body. Its tail is in the shape of a fan and it has pectoral and ventral fins which allow it to move easily in the water.

The Astyanax Fasciatus Mexicanus fish is a social and gregarious fish, which likes to live in groups. It is generally found in rivers and streams in Mexico, where it feeds on small invertebrates and aquatic plants. Astyanax Fasciatus Mexicanus fish is a short life fish, generally living only a few years.

Astyanax fasciatus mexicanus fish is an easy -to -raise fish, and it is often held in aquariums and garden ponds. It can be maintained with other peaceful fish, but it is important to provide sufficient space for fish to swim freely. The Astyanax Fasciatus Mexicanus fish is also an easy reproductive fish, with the female laying eggs which are then fertilized by the male.

Astyanax fasciatus mexicanus fish is a useful fish for humans, due to its ease of breeding and captivity reproduction. It is often used in biology research, in particular to study genes and fish development. In addition, the Astyanax Fasciatus Mexicanus fish is also appreciated as an ornamental fish due to its beautiful color and its social personality.

Origin

Characteristics

  • Adult size9 cm
  • BehaviourPleasant, gregarious
  • FoodOmnivorous

Water parameters

  • Water typeFreshwater, hot
  • Temperature19 - 26 °C
  • pH5.9 - 8.2
  • Minimum aquarium capacity (in liters)100 L

Dimorphism

Male more slender than the female

Reproduction

Relatively easy provided you have a large tank. The water will have a pH between 6.0 and 7.9, a hardness of up to 30 ° DGH and a temperature of 20 to 24 ° C. The avenue fish is very prolific and the female lays in full water, very often above Plant. As a precaution, it is still necessary to remove the parents when the laying is finished. The eggs hatch after two to three days and the fry are in free swimming towards the sixth day. Feed them with plankton, artemias or very finely chopped flakes.

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