Can Axolotl Live With Neon Tetra?
No, axolotls and neon tetras cannot share a tank due to a 12+ degree temperature mismatch between the two species.
Why
- Axolotls require 60-68F. Neon tetras require 72-79F. There is no overlap in their temperature ranges.
- Axolotls are carnivorous and eat anything small enough to fit in their mouths, including 1.5-inch neon tetras.
- Axolotls are ambush predators. A slow-moving tetra passing by an axolotl is an easy target.
- Keeping one species in suboptimal temperature causes long-term health problems, immune stress, and shortened lifespan.
- The pH overlap at 7.0 does not matter when the temperature gap makes co-housing impossible.
What could go wrong
Either the axolotl overheats trying to match tetra temperatures, or the tetras develop health problems in water that is too cold for them.
If you keep them in separate tanks
Sized for the 20 gallon minimum this pairing needs. Affiliate links — we earn a small commission if you buy through them.
AquaClear 30 Power Filter
Oversized filtration is what lets you stock two species together without water quality crashing. Rated for a tank slightly larger than the 20 gallon minimum.
API Freshwater Master Test Kit
Keep ammonia, nitrite, and nitrate in check. Two-species tanks have more bioload and less margin for error than single-species setups.
Better pairings to consider
Axolotls do well with white cloud minnows or vampire shrimp. Neon tetras do well with other tetras, rasboras, or corydoras in a tropical tank.
Related compatibility questions
Keep reading
Planning a community tank?
Check compatibility for any two freshwater species before you buy. Stop guessing, stop returning fish.
Open the compatibility chart →