Bolivian ram Tank Mates

Short answer: the best bolivian ram tank mates are Betta fish, Dwarf gourami, Guppy, Bristlenose pleco, Harlequin rasbora, Molly. Bolivian rams need 75–82 °F (24–28 °C), pH 6–7.5 and at least 55 gallons.

Mikrogeophagus altispinosus · rated against 71 species · check your own combination

Bolivian ram care at a glance

Adult size3.1 in (8 cm)
Minimum tank55 US gallons
Temperature75–82 °F (24–28 °C)
pH6–7.5
TemperamentPeaceful
Swims inBottom
Group sizeCan be kept singly or in pairs
Care levelEasy

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

gallon tank

✅ Compatible tank mates (42)

⚠️ Possible with caution (7)

❌ Not recommended (22)

How many Bolivian rams per tank?

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

FAQ

What fish can live with Bolivian rams?

Good matches include Betta fish, Dwarf gourami, Guppy, Bristlenose pleco, Harlequin rasbora, Molly. They share a temperature range with Bolivian rams (75–82 °F (24–28 °C)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with Bolivian rams?

Avoid Cherry shrimp, Fancy goldfish, Oscar, Pea puffer, German blue ram, White cloud mountain minnow.

What size tank do Bolivian rams need?

We recommend at least 55 US gallons for one bolivian ram, more if you add tank mates.

Can Bolivian rams live alone?

Yes. Bolivian rams do not need a group, though they can be kept with compatible tank mates.

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.