Can clown loaches live with killifish?
Verdict
Yes, with care
Yes, with care. Clown loaches and killifish can share a tank, but watch one thing. They only share 77°F. Keep the heater set there and steady.
What to watch
- Watch outThey only share 77°F. Keep the heater set there and steady.
- Watch outClown loaches grow to 8 inches and need 75 gallons, far more than a tank set up for killifish.
What works
- pH 6–7 suits both.
- They use different parts of the tank: clown loaches the bottom, killifish the top.
Water side by side
Size to scale
Care at a glance
| Clown loach | Killifish | |
|---|---|---|
| Temperature | 77–86 °F | 70–77 °F |
| pH | 6–7.5 | 5.5–7 |
| Adult size | 8.0 in | 2.5 in |
| Minimum tank | 75 gal | 10 gal |
| Temperament | Peaceful | Peaceful |
| Swims at | Bottom | Top |
| Group | Groups of 5+ | Alone or in pairs |
| Diet | Omnivore | Carnivore |
Better tank mates for clown loaches
Better tank mates for killifish
Questions
Can clown loaches live with killifish?
Yes, with care. Clown loaches and killifish can share a tank, but watch one thing. They only share 77°F. Keep the heater set there and steady.
What temperature suits both clown loaches and killifish?
77–77 °F. Clown loaches need 77–86 °F, killifish need 70–77 °F.
What size tank do clown loaches and killifish need together?
At least 75 gal, set by the clown loach. Add space for each extra fish.