Can bettas live with clown loaches?

Verdict
Yes, with care

Yes, with care. Bettas and clown loaches can share a tank, but watch one thing. Clown loaches grow to 8 inches and need 75 gallons, far more than a tank set up for bettas.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Betta 76–82°Clown loach 77–86°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Clown loach 6–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 inClown loach · 8 in0"1"2"3"4"5"6"7"8"
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

BettaClown loach
Temperature76–82 °F77–86 °F
pH6.5–7.56–7.5
Adult size2.5 in8.0 in
Minimum tank5 gal75 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupOne per tankGroups of 5+
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for clown loaches

All clown loach tank mates

Questions

Can bettas live with clown loaches?

Yes, with care. Bettas and clown loaches can share a tank, but watch one thing. Clown loaches grow to 8 inches and need 75 gallons, far more than a tank set up for bettas.

What temperature suits both bettas and clown loaches?

77–82 °F. Bettas need 76–82 °F, clown loaches need 77–86 °F.

What size tank do bettas and clown loaches need together?

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