Can hillstream loaches live with severums?

Verdict
Yes, with care

Yes, with care. Hillstream loaches and severums can share a tank, but watch one thing. They only share 74–75°F. Keep the heater set there and steady.

Hillstream loachHillstream loach68–75°F · pH 6.5–7.5 SeverumSeverum74–84°F · pH 6–7

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–75°Hillstream loach 68–75°Severum 74–84°
The green band is the temperature range both can live in.
456789Both: 6.5–7Hillstream loach 6.5–7.5Severum 6–7
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 2.5 inSeverum · 8 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

Hillstream loachSeverum
Temperature68–75 °F74–84 °F
pH6.5–7.56–7
Adult size2.5 in8.0 in
Minimum tank20 gal55 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomMiddle
GroupGroups of 3+Alone or in pairs
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for severums

All severum tank mates

Questions

Can hillstream loaches live with severums?

Yes, with care. Hillstream loaches and severums can share a tank, but watch one thing. They only share 74–75°F. Keep the heater set there and steady.

What temperature suits both hillstream loaches and severums?

74–75 °F. Hillstream loaches need 68–75 °F, severums need 74–84 °F.

What size tank do hillstream loaches and severums need together?

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