Can axolotls live with flowerhorns?

Verdict
No

No. Axolotls and flowerhorns should not share a tank. Axolotls are coldwater animals (60–66°F); flowerhorns need 80–89°F. No temperature suits both.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Axolotl 60–66°Flowerhorn 80–89°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 7–8Axolotl 6.5–8Flowerhorn 7–8
The green band is the pH both tolerate.

Size to scale

Axolotl · 10 inFlowerhorn · 12 in0"2"4"6"8"10"12"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

AxolotlFlowerhorn
Temperature60–66 °F80–89 °F
pH6.5–87–8
Adult size10.0 in12.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulAggressive
Swims atBottomMiddle
GroupAlone or in pairsOne per tank
DietCarnivoreCarnivore

Questions

Can axolotls live with flowerhorns?

No. Axolotls and flowerhorns should not share a tank. Axolotls are coldwater animals (60–66°F); flowerhorns need 80–89°F. No temperature suits both.

What temperature suits both axolotls and flowerhorns?

None. Axolotls need 60–66 °F and flowerhorns need 80–89 °F, so the ranges do not meet.

What size tank do axolotls and flowerhorns need together?

At least 75 gal, set by the flowerhorn. Add space for each extra fish.