Biwa Trout Aquarium Care Guide

Keeping Biwa Trout in an aquarium requires the right conditions.

Aquarium Information

• Care level: expert
• Temperament: aggressive
• Diet: carnivore
• Minimum tank size: Not suitable for typical home aquaria; requires very large, specialized cold-water systems (e.g., public aquariums or research facilities) due to size, activity level, and specific environmental needs.
• Compatibility: Not compatible with most other fish due to predatory nature and specific environmental requirements. Best kept in species-specific exhibits or with other large, cold-water predatory fish in very large, specialized setups.
• Special requirements: Requires extremely large, well-oxygenated, cold-water systems with strong filtration and flow. Mimicking a natural lacustrine environment with deep areas and rocky substrates is crucial. Not recommended for private aquarists.

Water parameters

Temperature

10-18°C (50-64°F)

pH level

6.5-7.5

Hardness

Soft to moderately hard (50-150 ppm)

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