Mexican Tetra (Astyanax mexicanus)

Fish in the family Characidae. Easy care. Freshwater.

Quick facts

Scientific nameAstyanax mexicanus

FamilyCharacidae

Also known asBlind Cave Tetra, Blind Cavefish

Care levelEasy

Reef safetyFreshwater

TemperamentSemi Aggressive

Dietomnivore

Adult size4.7 in

Minimum tank size30 gallons

Water parametersTemp 68-79°F, pH 6.0-8.0, GH 5-20 dGH

Appearance

Surface form is silvery; the popular blind cave form is pinkish-white with no functional eyes.

Difficulty and care for the Mexican Tetra

Easy

Origin and habitat

North/Central America (Mexico, Texas)

Keeper notes

Active and nippy; the blind cave form locates fins by smell/lateral line. Keep with sturdy tankmates in a group.

Log Mexican Tetra in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Mexican Tetra alongside everything else in your reef.

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