Dwarf-spotted Rasbora (Boraras maculatus)

Family: Cyprinidae

A peaceful omnivore cyprinidae from Southeast Asia (southern Thailand, the Malay Peninsula and Sumatra) — moderate care.

Care parameters

Water temperature
24–26 °C
pH
5–6
GH hardness
5–12 dGH
Adult length
1.8–2.5 cm
Minimum tank
25 L
Water layer
Mid-water swimmer; keep 10+
Difficulty
Moderate
Temperament
Peaceful
Origin
东南亚(泰国南部、马来西亚半岛、苏门答腊)

Species overview

Boraras maculatus of the family Cyprinidae is an aquarium-kept Cyprinidae. Peaceful and omnivore; quality prepared foods with variety, it grows to 1.8–2.5 cm and prefers 24–26 °C water. Other Boraras species in our database include Boraras brigittae, Boraras merah, Boraras naevus.

Native biotope

Habitat
Clear streams, rivers and still waters
Flow
Still to very gentle water
Dissolved O₂
Average oxygen needs

Aquascape & hardware

Substrate
Smooth gravel and sand with open floor space
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
Keep 10+; larger groups settle better
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 Dwarf-spotted Rasbora easy to keep?

Intermediate difficulty. Peaceful; keep 10+; larger groups settle better.

What temperature and water chemistry does Dwarf-spotted Rasbora need?

Hold 24–26 °C and keep it stable — 24–26 °C recorded range. Heater required for stable tropical warmth.

How big does Dwarf-spotted Rasbora get, and what tank size?

Adults reach 1.8–2.5 cm; it is mid-water swimmer; keep 10+. Plan for at least 25 litres.

What does Dwarf-spotted Rasbora eat?

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

Can Dwarf-spotted Rasbora live with other fish?

Peaceful. 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 Large aggressive cichlids — Bullying and injury risk, Known fin nippers — Constant stress and fin damage.

Where does Dwarf-spotted Rasbora come from?

Its home waters are 东南亚(泰国南部、马来西亚半岛、苏门答腊) — clear streams, rivers and still waters, with still to very gentle water.

How does Dwarf-spotted Rasbora breed?

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