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Bolivian ram, Mikrogeophagus altispinosus

Cichlids · Mikrogeophagus

Bolivian ram

Mikrogeophagus altispinosus · Mamoré and Guaporé basins, Bolivia and Brazil

Photo: Corpse89, CC BY-SA 3.0, via Wikimedia Commons

The Bolivian ram (Mikrogeophagus altispinosus) is a freshwater fish from Mamoré and Guaporé basins, Bolivia and Brazil, where it lives in river habitat. Adults reach about 8 cm (3.1 in). Keep it at 24–28 °C (75–82 °F) and pH 6–7.5, in calm water. It is peaceful and does best in a group of 2 or more. It eats most foods: flakes, small pellets and frozen foods.

At a glance

Water temperature

24–28 °C 75–82 °F

pH

6–7.5 neutral water

Adult size

8 cm 3.1 in

Swims ≈

Bottom and mid-water mostly on the floor and in caves

Keep together

2 or more a shoal feels safe

Current

Calm still or slow water

Food ≈

Eats most foods

Temperament ≈

Peaceful

Where it comes from

Home water

Mamoré and Guaporé basins, Bolivia and Brazil

Guaporé, Mamoré

Lives in river habitat.

The dot is placed on its home rivers, not an exact collecting site. Map: Natural Earth.

Tank mates

Checked against a roomy 300 L planted tank with low flow and plenty of caves. Your own tank may change the answer: try it in Your tanks.

In the hobby

Where to find it

No store or breeder we know of has it right now.

Run a store? List the fish you usually have. Breed fish? List your fry.

Tanks with this fish

No shared tanks have this fish yet. Share yours from Your tanks.

From keepers

Notes appear here when a keeper shares a tank with this fish and writes about it.

Questions keepers ask

How big does a Bolivian ram get?

About 8 cm (3.1 in) as an adult.

What temperature does a Bolivian ram need?

24–28 °C (75–82 °F).

What pH does a Bolivian ram need?

pH 6–7.5.

Does a Bolivian ram need to be kept in a group?

Yes. Keep at least 2.

Is the Bolivian ram aggressive?

No. It is peaceful with fish that suit the same water.

What does a Bolivian ram eat?

It eats most foods: flakes, small pellets and frozen foods.

Where does the Bolivian ram come from?

Mamoré and Guaporé basins, Bolivia and Brazil.

What fish can live with a Bolivian ram?

Good tank mates include Candy stripe (L015), Zebra (L046), Agassiz's dwarf cichlid, Amano shrimp, Boeseman's rainbowfish.

All the numbers

Temperature min (°C)24 Sourced
Temperature max (°C)28 Sourced
pH min6 Sourced
pH max7.5 Sourced
Adult size (cm)8 Sourced
FlowLow Sourced
Habitatriver Estimate
Smallest happy group2 Sourced
TemperamentPeaceful Estimate
DietOmnivore Estimate
Typical price min (CAD)10 Estimate
Typical price max (CAD)18 Estimate

Some values are estimates from typical hobby ranges and haven't been checked against a source yet.

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