Can clown loaches live with clown plecos?

Verdict
Yes

Yes. Clown loaches and clown plecos make a good pair. Both are fine at 77–82°F. Plan on at least 75 gal.

Clown loachClown loach77–86°F · pH 6–7.5 Clown plecoClown pleco73–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 77–82°Clown loach 77–86°Clown pleco 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Clown loach 6–7.5Clown pleco 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Clown loach · 8 inClown pleco · 3.5 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

Clown loachClown pleco
Temperature77–86 °F73–82 °F
pH6–7.56.5–7.5
Adult size8.0 in3.5 in
Minimum tank75 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomBottom
GroupGroups of 5+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for clown loaches

All clown loach tank mates

Better tank mates for clown plecos

All clown pleco tank mates

Questions

Can clown loaches live with clown plecos?

Yes. Clown loaches and clown plecos make a good pair. Both are fine at 77–82°F. Plan on at least 75 gal.

What temperature suits both clown loaches and clown plecos?

77–82 °F. Clown loaches need 77–86 °F, clown plecos need 73–82 °F.

What size tank do clown loaches and clown plecos need together?

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