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Arabian Killifish Aquarium Care Guide

Aphanius dispar

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Keeping Arabian Killifish in an aquarium requires the right conditions.

Aquarium Information

  • Care level: intermediate
  • Temperament: peaceful
  • Diet: omnivore
  • Minimum tank size: 10 gallons (40 liters)
  • Compatibility: Generally peaceful with other small, non-aggressive fish. Best kept in species-specific tanks or with other killifish species. Avoid fin-nippers.
  • Special requirements: Requires brackish to marine conditions for optimal health, though some populations can adapt to freshwater. A well-planted tank with hiding spots and a secure lid (they are jumpers) is recommended. Good filtration and regular water changes are essential due to their preference for clean water.

Water parameters

Temperature
20-30°C (68-86°F)
pH level
7.0-8.5
Hardness
10-30 dGH

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