Balloon Ram (Mikrogeophagus ramirezi)

Family: Cichlidae

A peaceful omnivore cichlidae from Venezuela, Colombia — moderate care.

Care parameters

Water temperature
27–30 °C
pH
5–6
GH hardness
5–12 dGH
Adult length
2.9–4.2 cm
Minimum tank
42 L
Water layer
Bottom; rests and forages low
Difficulty
Moderate
Temperament
Peaceful
Origin
东亚淡水水系

Species overview

Mikrogeophagus ramirezi is a Cichlidae. In the aquarium it stays peaceful. Plan on 2.9–4.2 cm of adult fish at 27–30 °C. Related profiles: Mikrogeophagus altispinosus.

Native biotope

Habitat
Clear streams, rivers and still waters
Flow
Moderate flow
Dissolved O₂
Average oxygen needs

Aquascape & hardware

Substrate
Fine sand
Hardscape
Driftwood, water-worn stones and shelters that mimic the native biotope
Plants
Hardy plants on hardscape; keep the floor open

Temperament, diet & tankmates

Schooling
Solitary, pairs or small groups
Diet
Omnivore; quality prepared foods with variety
Recommended tankmates
  • Amur False Gudgeon — Similar size and water needs
  • Striped Bitterling — Similar size and water needs
  • Acheilognathus gracilis — Similar size and water needs
Avoid keeping with
  • Large aggressive cichlids — Bullying and injury risk
  • Known fin nippers — Constant stress and fin damage

Breeding & notes

Sexual dimorphism
Males are typically slimmer and more intensely colored; females fuller-bodied
Breeding method
Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes

Frequently asked questions

Is Balloon Ram easy to keep?

Difficulty: moderate. Peaceful. Solitary, pairs or small groups.

What temperature and water chemistry does Balloon Ram need?

Hold 27–30 °C and keep it stable — 27–30 °C recorded range. Heater required for stable tropical warmth.

How big does Balloon Ram get, and what tank size?

Adults reach 2.9–4.2 cm; it is bottom; rests and forages low. Plan for at least 42 litres.

What does Balloon Ram eat?

Omnivore; quality prepared foods with variety. Vary the menu — quality flakes or pellets plus frozen or live foods.

Can Balloon Ram live with other fish?

Yes, with care. Peaceful — pair it with Amur False Gudgeon — Similar size and water needs, Striped Bitterling — Similar size and water needs, Acheilognathus gracilis — Similar size and water needs and skip Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.

Where does Balloon Ram come from?

Its home waters are 东亚淡水水系 — clear streams, rivers and still waters, with moderate flow.

How does Balloon Ram breed?

Egg-scatterer over fine plants; condition with rich foods and simulate seasonal changes. Males are typically slimmer and more intensely colored; females fuller-bodied.