Can kribensis live with rosy barbs?

Verdict
Yes

Yes. Kribensis and rosy barbs make a good pair. Both are fine at 75–77°F. Plan on at least 30 gal.

KribensisKribensis75–80°F · pH 6–7.5 Rosy barbRosy barb64–77°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–77°Kribensis 75–80°Rosy barb 64–77°
The green band is the temperature range both can live in.
456789Both: 6–7.5Kribensis 6–7.5Rosy barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Kribensis · 4 inRosy barb · 4 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

KribensisRosy barb
Temperature75–80 °F64–77 °F
pH6–7.56–7.5
Adult size4.0 in4.0 in
Minimum tank30 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for kribensis

All kribensis tank mates

Better tank mates for rosy barbs

All rosy barb tank mates

Questions

Can kribensis live with rosy barbs?

Yes. Kribensis and rosy barbs make a good pair. Both are fine at 75–77°F. Plan on at least 30 gal.

What temperature suits both kribensis and rosy barbs?

75–77 °F. Kribensis need 75–80 °F, rosy barbs need 64–77 °F.

What size tank do kribensis and rosy barbs need together?

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