Boesemani rainbowfish Tank Mates

Short answer: the best boesemani rainbowfish tank mates are Betta fish, Angelfish, Endler's livebearer, Cardinal tetra, German blue ram, Pearl gourami. Boesemani rainbowfish need 81–86 °F (27–30 °C), pH 7–8 and at least 55 gallons. Keep them in a group of 6 or more.

Melanotaenia boesemani · rated against 71 species · check your own combination

Boesemani rainbowfish care at a glance

Adult size4.3 in (11 cm)
Minimum tank55 US gallons
Temperature81–86 °F (27–30 °C)
pH7–8
TemperamentPeaceful
Swims inMiddle
Group sizeGroups of 6+
Care levelEasy

Sources: Seriously Fish · FishBase. Last reviewed 2026-11-04.

gallon tank

✅ Compatible tank mates (11)

⚠️ Possible with caution (24)

❌ Not recommended (36)

How many Boesemani rainbowfish per tank?

55 gal 75 gal — see what else fits with our stocking calculator.

FAQ

What fish can live with Boesemani rainbowfish?

Good matches include Betta fish, Angelfish, Endler's livebearer, Cardinal tetra, German blue ram, Pearl gourami. They share a temperature range with Boesemani rainbowfish (81–86 °F (27–30 °C)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with Boesemani rainbowfish?

Avoid Dwarf gourami, Bristlenose pleco, Fancy goldfish, Neon tetra, Platy, Tiger barb.

What size tank do Boesemani rainbowfish need?

We recommend at least 55 US gallons for a group of 6 Boesemani rainbowfish, more if you add tank mates.

Can Boesemani rainbowfish live alone?

No. Boesemani rainbowfish are social and should be kept in groups of at least 6.

Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.