Aquarium species profile

Axolotl

Ambystoma mexicanum · North America (Mexico, Lake Xochimilco)

Minimum tank20 gal

Adult size12"

Care levelIntermediate

TemperamentSemi-aggressive

Temperature60–68°F

pH range7.0–8.0

Diet

Carnivore – earthworms, bloodworms, axolotl pellets, nightcrawlers

Compatible tank mates

Species-only recommended

Tank mates to avoid

Any fish (will nibble fins/gills; fish may nip feathery gills), warm water

Care notes

Neotenic salamander — permanently aquatic with feathery external gills. Cannot tolerate warm water (stays cool 60–68°F). High ammonia sensitivity; excellent filtration + weekly water changes essential. CITES listed; check local regulations.

Check the whole aquarium. Tank size alone does not establish compatibility. Confirm adult size, water overlap, social grouping, territory, diet, and the individual animals before stocking.

Check compatibility in Fishician