Can red tail sharks live with kribensis?

Verdict
Yes, with care

Yes, with care. Red tail sharks and kribensis can share a tank, but watch one thing. Both claim territory on the bottom. Give each its own cave and plenty of floor space.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Red tail shark 72–79°Kribensis 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Red tail shark 6.5–7.5Kribensis 6–7.5
The green band is the pH both tolerate.

Size to scale

Red tail shark · 5 inKribensis · 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

Red tail sharkKribensis
Temperature72–79 °F75–80 °F
pH6.5–7.56–7.5
Adult size5.0 in4.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomBottom
GroupOne per tankAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for red tail sharks

All red tail shark tank mates

Better tank mates for kribensis

All kribensis tank mates

Questions

Can red tail sharks live with kribensis?

Yes, with care. Red tail sharks and kribensis can share a tank, but watch one thing. Both claim territory on the bottom. Give each its own cave and plenty of floor space.

What temperature suits both red tail sharks and kribensis?

75–79 °F. Red tail sharks need 72–79 °F, kribensis need 75–80 °F.

What size tank do red tail sharks and kribensis need together?

At least 55 gal, set by the red tail shark. Add space for each extra fish.