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Japanese Halfbeak Aquarium Care Guide

Hemiramphus sajori

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Keeping Japanese Halfbeak in an aquarium requires the right conditions.

Aquarium Information

  • Care level: expert
  • Temperament: peaceful
  • Diet: carnivore
  • Minimum tank size: 200 gallons
  • Compatibility: Best kept in species-specific tanks or with other peaceful, fast-swimming pelagic fish of similar size that do not perceive them as prey. Avoid aggressive or territorial species.
  • Special requirements: Requires a very large tank with ample swimming space, excellent water quality, and a tight-fitting lid as they are prone to jumping. Live or frozen small invertebrates and finely chopped seafood are essential for their diet. They are sensitive to stress and sudden changes in environment.

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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