Can axolotls live with arowanas?
Verdict
No
No. Axolotls and arowanas should not share a tank. Axolotls are coldwater animals (60–66°F); arowanas need 75–86°F. No temperature suits both.
What to watch
- Deal breakerAxolotls are coldwater animals (60–66°F); arowanas need 75–86°F. No temperature suits both.
- Deal breakerAn adult silver arowana eats fish that fit in its mouth, and at 10 inches axolotls do.
- Deal breakerFish nibble at axolotl gills, and axolotls swallow small fish. Keep axolotls on their own.
- Watch outArowanas grow to 36 inches and need 250 gallons, far more than a tank set up for axolotls.
What works
- pH 6.5–7 suits both.
- They use different parts of the tank: axolotls the bottom, arowanas the top.
Water side by side
Size to scale
Care at a glance
| Axolotl | Silver arowana | |
|---|---|---|
| Temperature | 60–66 °F | 75–86 °F |
| pH | 6.5–8 | 6–7 |
| Adult size | 10.0 in | 36.0 in |
| Minimum tank | 20 gal | 250 gal |
| Temperament | Peaceful | Aggressive |
| Swims at | Bottom | Top |
| Group | Alone or in pairs | One per tank |
| Diet | Carnivore | Carnivore |
Questions
Can axolotls live with arowanas?
No. Axolotls and arowanas should not share a tank. Axolotls are coldwater animals (60–66°F); arowanas need 75–86°F. No temperature suits both.
What temperature suits both axolotls and arowanas?
None. Axolotls need 60–66 °F and arowanas need 75–86 °F, so the ranges do not meet.
What size tank do axolotls and arowanas need together?
At least 250 gal, set by the silver arowana. Add space for each extra fish.