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Pygmy Spotted Rasbora (Boraras maculatus) Care Guide

A popular nano fish from the peat swamps of Peninsular Malaysia and Sumatra. It has an orange-red body adorned with three distinctive dark spots — one near the gill, one mid-body, and one at the cauda…

Overview

Boraras maculatus is a species in the family Cyprinidae. A popular nano fish from the peat swamps of Peninsular Malaysia and Sumatra. It has an orange-red body adorned with three distinctive dark spots — one near the gill, one mid-body, and one at the caudal peduncle. Hardy for its size and an excellent choice for beginners exploring the nano fishkeeping hobby.

Taxonomy

  • Family: Cyprinidae
  • Genus: Boraras
  • Scientific name: Boraras maculatus
  • Other names: Dwarf Rasbora, Spotted Rasbora, Boraras maculatus
  • Origin: Southeast Asia

Habitat

Native to the Malay Peninsula, Sumatra and Borneo. Inhabits soft, acidic forest streams and peat swamps with dense vegetation. One of the smallest commonly traded cyprinids; a peaceful shoaling species of the genus Boraras marked with dark lateral spots.

Tank requirements

  • Minimum tank volume: 20 L
  • Temperature: 23-28 °C
  • pH: 4-6.5
  • GH: 1-6 °dGH
  • Water flow: low
  • Adult size: 2-2.5 cm
  • Lifespan: 3-5 years
  • Recommended group size: ≥ 8
  • Difficulty: beginner

Diet

Classified as omnivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

  • Temperament: peaceful
  • Swimming level: middle
  • Compatible tank mates: Chili Rasbora, Phoenix Rasbora, Ember Tetra, Cherry Shrimp, Otocinclus
  • Avoid with: Any fish large enough to eat them, Aggressive species

Breeding

  • Breeding strategy: egg-scatterer
  • Breeding difficulty: intermediate

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