Can severums live with boesemani rainbowfish?

Verdict

Yes, with care

Yes, with care. Severums and boesemani rainbowfish can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

Severum74–84°F · pH 6–7

Boesemani rainbowfish75–82°F · pH 7–8

What to watch

Watch outWater chemistry is a squeeze. The only pH that suits both is around 7.

What works

Both are fine at 75–82°F.

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

	Severum	Boesemani rainbowfish
Temperature	74–84 °F	75–82 °F
pH	6–7	7–8
Adult size	8.0 in	4.0 in
Minimum tank	55 gal	30 gal
Temperament	Semi-aggressive	Peaceful
Swims at	Middle	Middle
Group	Alone or in pairs	Groups of 6+
Diet	Omnivore	Omnivore

Better tank mates for severums

All severum tank mates

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Questions

Can severums live with boesemani rainbowfish?

Yes, with care. Severums and boesemani rainbowfish can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What temperature suits both severums and boesemani rainbowfish?

75–82 °F. Severums need 74–84 °F, boesemani rainbowfish need 75–82 °F.

What size tank do severums and boesemani rainbowfish need together?

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