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Bullet Tuna Aquarium Care Guide

Auxis rochei

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Keeping Bullet Tuna in an aquarium requires the right conditions.

Aquarium Information

  • Care level: expert
  • Temperament: aggressive
  • Diet: carnivore
  • Minimum tank size: Not suitable for home aquaria; requires extremely large public aquarium facilities (tens of thousands of gallons) due to its pelagic nature and schooling behavior.
  • Compatibility: Only compatible with very large, fast-swimming pelagic species in extremely large, specialized exhibits. Not suitable for mixed reef or community tanks.
  • Special requirements: Requires vast open swimming space, high water quality, strong filtration, and a constant supply of live or fresh frozen prey. Extremely challenging to maintain in captivity due to its active, schooling, and migratory nature.

Water parameters

Temperature
20-28°C (68-82°F)
pH level
8.1-8.4
Hardness
8-12 dKH

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