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Golden Wonder Killifish care guide

Golden Wonder Killifish (Aplocheilus lineatus) — minimum tank 80 L, temperature 22-28 °C, pH 6-7.5.

Overview

The Golden Wonder Killifish (Aplocheilus lineatus) is a larger killifish from south Asia. The selectively bred xanthic form displays a metallic gold body with iridescent green and blue scales. The species is a surface-dwelling predator and a strong jumper.

Taxonomy

  • Family: Aplocheilidae
  • Genus: Aplocheilus
  • Scientific name: Aplocheilus lineatus
  • Common synonyms: Striped Panchax, Golden Panchax

Habitat

Native to ponds, ditches, rice fields and slow streams across India and Sri Lanka, often in soft, slightly acidic to neutral water with floating vegetation.

Tank requirements

  • Minimum tank volume: 80 L (21.1 US gal)
  • Adult size: 8-12 cm
  • Temperature: 22-28 °C (72-82 °F)
  • pH: 6-7.5
  • GH: 5-15 °dGH
  • Water flow: low
  • Lifespan: 3-5 years

Diet

A predatory carnivore. Offer live or frozen foods (bloodworms, brine shrimp, small earthworms, mosquito larvae). Will also accept floating pellets once trained.

Compatibility

A semi-aggressive surface dweller that will eat any fish small enough to fit in its mouth. Keep alone or with similarly sized robust species. A tight-fitting lid is essential.

Breeding

An egg-depositor. Eggs are attached to floating plants or spawning mops and incubate for around 12-14 days at typical aquarium temperatures.

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