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Japanese halfbeak Aquarium Care Guide

Hyporhamphus sajori

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Keeping Japanese halfbeak in an aquarium requires the right conditions.

Aquarium Information

  • Care level: advanced
  • Temperament: peaceful
  • Diet: carnivore
  • Minimum tank size: 200 gallons
  • Compatibility: Best kept in species-specific tanks or with other peaceful, similarly sized pelagic fish that do not compete for surface food. Avoid aggressive or fin-nipping species.
  • Special requirements: Requires a very long tank with ample swimming space and a tight-fitting lid due to their jumping ability. Excellent water quality and strong filtration are essential. They are sensitive to stress and require a stable environment. Live or frozen small invertebrates and fish are preferred for feeding.

Water parameters

Temperature
18-24°C (64-75°F)
pH level
8.1-8.4
Hardness
1.020-1.025 SG

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