Blind Cavefish
Astyanax mexicanus
This oddball tetra is originally found in limestone caves and prefers a cool, hardwater aquarium.Although blind, this fish is often first to the foodand should not be kept with shy tankmates
Synonyms | Tetragonopterus mexicanus, Astyanax fasciatus mexicanus, Astyanax argentatus, Tetragonopterus brevimanus, Tetragonopterus petenensis, Tetragonopterus fulgens, Tetragonopterus nitidus, Tetragonopterus streetsii |
Distribution | Mexico to northern Central America. |
Maximum Size | 12cm (4.72") |
Temperature | 18-25°C |
Water Parameters | Subtropical. Will acclimatise to a wide range of conditions. pH: 6.0-8.0, dH: up to 20 degrees. |
Compatibility | Specialist community |
Lighting | Low |
Sexual Dimorphism | Mature females will be larger and fuller bodied. |
Feeding | Flake, granules and frozen foods |
© 2025 Maidenhead Aquatics Ltd. All Rights Reserved. No part of the content on this page may be reproduced for distribution or commercial gain in line with our Terms and Conditions.
For delivery before Christmas, orders must be placed on or before 3pm on Wednesday 20th December. We cannot guarantee delivery of these orders pre-Christmas as we are reliant on our couriers, but will use our best endeavours to get orders placed on this date out to you before Christmas. For full details of our festive delivery and opening times click here
Please note: online orders placed after 3pm on Friday 22nd December will not be dispatched until the New Year. For full details of our festive delivery and opening times click here