Can bettas live with axolotls?
Verdict
No
No. Bettas and axolotls should not share a tank. Axolotls are coldwater animals (60–66°F); bettas need 76–82°F. No temperature suits both.
What to watch
- Deal breakerAxolotls are coldwater animals (60–66°F); bettas need 76–82°F. No temperature suits both.
- Deal breakerFish nibble at axolotl gills, and axolotls swallow small fish. Keep axolotls on their own.
- Watch outA grown axolotl may treat small bettas as food, especially at night.
What works
- pH 6.5–7.5 suits both.
- They use different parts of the tank: bettas the top, axolotls the bottom.
Water side by side
Size to scale
Care at a glance
| Betta | Axolotl | |
|---|---|---|
| Temperature | 76–82 °F | 60–66 °F |
| pH | 6.5–7.5 | 6.5–8 |
| Adult size | 2.5 in | 10.0 in |
| Minimum tank | 5 gal | 20 gal |
| Temperament | Semi-aggressive | Peaceful |
| Swims at | Top | Bottom |
| Group | One per tank | Alone or in pairs |
| Diet | Carnivore | Carnivore |
Better tank mates for bettas
Questions
Can bettas live with axolotls?
No. Bettas and axolotls should not share a tank. Axolotls are coldwater animals (60–66°F); bettas need 76–82°F. No temperature suits both.
What temperature suits both bettas and axolotls?
None. Bettas need 76–82 °F and axolotls need 60–66 °F, so the ranges do not meet.
What size tank do bettas and axolotls need together?
At least 20 gal, set by the axolotl. Add space for each extra fish.