Astyanax mexicanus - This tetra has a white pinky body shaped a little like a cory and has no usable eyes. This tetra is blind as it evolved in cave systems deep beneath the earth with no light. Although blind, this little fish is always straight to any food. Avoid keeping them with slow swimming long finned fish as the blind cave tetra uses it's mouth to sense things and may inadvertently nibble a few fins.

 Originating from Mexico and central America.

Maximum size: 4cm

Lifespan: 5-6 years

Temperature: 20-23 degrees celsius

Tank requirements: Filter & Oxygen, Heater

Tank Mates: Other freshwater fish of a similar size and temperament. 

Feeding: Good Quality Flake or Pellets

 

Tetra Overview:

Tetra are one of the most popular fish for an aquarium as they come in a variety of colours and sizes but are all easy to keep and relatively hardy. They are found across the globe and are a peaceful addition to any tank. Tetra like to shoal so should be kept in groups of at least 5.