Blind Cavefish - Astyanax mexicanus Astyanax mexicanus
Blind Cavefish
 

Blind Cavefish - Astyanax mexicanus

Species name: Astyanax mexicanus

Synonym: Anoptichthys jordani

Common name: Blind Cavefish

Family: Characidae

Order: Characins

Class: Actinopterygii

Maximum size: 10 cm / 4 inches

Environment: freshwater

Origin: Widespread from Mexico to Panama and Texas.

Temperament: Peaceful

Company: Astyanax mexicanus (Blind Cavefish) are best kept alone.

Water parameters: Temperature 22-25°C / 72-77°F; pH 6.0 – 8.0

Aquarium setup: Astyanax mexicanus (Blind Cavefish) are as the name suggest blind and should be kept in a dark aquarium without plants to mimic their natural surroundings. The aquarium can be decorated with rocks or other decorations to make it more attractive.

Feeding: Astyanax mexicanus (Blind Cavefish) accepts flake food.

Breeding: Astyanax mexicanus (Blind Cavefish) can be breed in aquariums and the breeding can be stimulated by dropping the water temperature to 20˚C/ 66-68˚F. They are egg scatters: remove the parents from the aquarium and not the eggs since the eggs are very sensitive. The eggs hatch after 2-3 days and the fry are within a week. The fry are large enough to accept baby brine shrimp as well as crushed flake food.

Blind Cavefish - Astyanax mexicanus picture
Picture of a Blind Cavefish - Astyanax mexicanus. Copyright www.jjphoto.dk
This fish also has a more common light pink form

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Blind Cavefish - Astyanax mexicanus