Can harlequin rasboras live with elephant nose fish?

Verdict
Yes, with care

Yes, with care. Harlequin rasboras and elephant nose fish can share a tank, but watch one thing. A grown elephant nose fish may treat small harlequin rasboras as food, especially at night.

Harlequin rasboraHarlequin rasbora72–80°F · pH 6–7.5 Elephant nose fishElephant nose fish73–82°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–80°Harlequin rasbora 72–80°Elephant nose fish 73–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Harlequin rasbora 6–7.5Elephant nose fish 6–7.5
The green band is the pH both tolerate.

Size to scale

Harlequin rasbora · 2 inElephant nose fish · 9 in0"1"2"3"4"5"6"7"8"9"
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

Harlequin rasboraElephant nose fish
Temperature72–80 °F73–82 °F
pH6–7.56–7.5
Adult size2.0 in9.0 in
Minimum tank10 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreCarnivore

Better tank mates for harlequin rasboras

All harlequin rasbora tank mates

Better tank mates for elephant nose fish

All elephant nose fish tank mates

Questions

Can harlequin rasboras live with elephant nose fish?

Yes, with care. Harlequin rasboras and elephant nose fish can share a tank, but watch one thing. A grown elephant nose fish may treat small harlequin rasboras as food, especially at night.

What temperature suits both harlequin rasboras and elephant nose fish?

73–80 °F. Harlequin rasboras need 72–80 °F, elephant nose fish need 73–82 °F.

What size tank do harlequin rasboras and elephant nose fish need together?

At least 55 gal, set by the elephant nose fish. Add space for each extra fish.