Zona (Bedotia geayi)

Family: Bedotiidae

Zona — a Bedotiidae from Madagascar, peaceful schooling fish; males shimmer and spar gently. Reaches 6.8–9.9 cm; groups of 6–8 minimum; larger schools calm them. 20–24 °C.

Care parameters

Water temperature
20–24 °C
pH
7–8
GH hardness
9–19 dGH
Adult length
6.8–9.9 cm
Minimum tank
118 L
Water layer
Middle of the water column
Difficulty
Moderate
Temperament
Peaceful schooling fish; males shimmer and spar gently
Origin
Madagascar

Species overview

A Bedotiidae species native to Madagascar: Bedotia geayi lives middle of the water column over warm freshwater streams and lakes. Peaceful schooling fish; males shimmer and spar gently. Adults reach 6.8–9.9 cm. In a community tank it pairs well with Other rainbowfish and large peaceful tetras.

Native biotope

Habitat
Warm freshwater streams and lakes
Flow
Still to gentle current
Dissolved O₂
Moderate oxygen levels

Aquascape & hardware

Substrate
Fine sand and gravel
Hardscape
Driftwood and smooth stones
Plants
Hardy common aquarium plants

Temperament, diet & tankmates

Schooling
Groups of 6–8 minimum; larger schools calm them
Diet
Omnivore; quality flakes plus vegetable matter
Recommended tankmates
  • Other rainbowfish and large peaceful tetras — Share the open mid-water
Avoid keeping with
  • Boisterous cichlids — Stress and fin damage

Breeding & notes

Sexual dimorphism
Subtle external differences
Breeding method
Prolific egg-scatterer when kept hard and alkaline

Frequently asked questions

Is Zona easy to keep?

Difficulty: moderate. Peaceful schooling fish; males shimmer and spar gently. Groups of 6–8 minimum; larger schools calm them.

What temperature and water chemistry does Zona need?

Aim for 20–24 °C. Stable temperature matching the species origin; 20–24 °C recorded range.

How big does Zona get, and what tank size?

Adults reach 6.8–9.9 cm; it is middle of the water column. Plan for at least 118 litres.

What does Zona eat?

Omnivore; quality flakes plus vegetable matter. Feed two small meals a day rather than one large one.

Can Zona live with other fish?

Peaceful schooling fish; males shimmer and spar gently. Recommended tankmates: Other rainbowfish and large peaceful tetras — Share the open mid-water. Avoid Boisterous cichlids — Stress and fin damage.

Where does Zona come from?

Its home waters are Madagascar — warm freshwater streams and lakes, with still to gentle current.

Does Zona jump?

Not a noted jumper — a standard cover still keeps dust and spray in.

How does Zona breed?

In the aquarium: prolific egg-scatterer when kept hard and alkaline. Subtle external differences.