Can rummy nose tetras live with severums?

Verdict

Yes, with care

Yes, with care. Rummy nose tetras and severums can share a tank, but watch one thing. A grown severum may treat small rummy nose tetras as food, especially at night.

Rummy nose tetra75–84°F · pH 5.5–7

Severum74–84°F · pH 6–7

What to watch

Watch outA grown severum may treat small rummy nose tetras as food, especially at night.

What works

Both are fine at 75–84°F.
pH 6–7 suits both.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

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

	Rummy nose tetra	Severum
Temperature	75–84 °F	74–84 °F
pH	5.5–7	6–7
Adult size	2.0 in	8.0 in
Minimum tank	20 gal	55 gal
Temperament	Peaceful	Semi-aggressive
Swims at	Middle	Middle
Group	Groups of 6+	Alone or in pairs
Diet	Omnivore	Omnivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for severums

All severum tank mates

Questions

Can rummy nose tetras live with severums?

Yes, with care. Rummy nose tetras and severums can share a tank, but watch one thing. A grown severum may treat small rummy nose tetras as food, especially at night.

What temperature suits both rummy nose tetras and severums?

75–84 °F. Rummy nose tetras need 75–84 °F, severums need 74–84 °F.

What size tank do rummy nose tetras and severums need together?

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