Can kribensis live with harlequin rasboras?

Verdict
Yes

Yes, kribensis and harlequin rasboras can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

KribensisKribensis75–80°F · pH 6–7.5 Harlequin rasboraHarlequin rasbora72–80°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Kribensis · 4 inHarlequin rasbora · 2 in0"1"2"3"4"5"6"
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

KribensisHarlequin rasbora
Temperature75–80 °F72–80 °F
pH6–7.56–7.5
Adult size4.0 in2.0 in
Minimum tank30 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for kribensis

All kribensis tank mates

Better tank mates for harlequin rasboras

All harlequin rasbora tank mates

Questions

Can kribensis live with harlequin rasboras?

Yes, kribensis and harlequin rasboras can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kribensis and harlequin rasboras?

75–80 °F. Kribensis need 75–80 °F, harlequin rasboras need 72–80 °F.

What size tank do kribensis and harlequin rasboras need together?

At least 30 gal, set by the kribensis. Add space for each extra fish.