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Arctic Grayling Aquarium Care Guide

Thymallus arcticus

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Keeping Arctic Grayling in an aquarium requires the right conditions.

Aquarium Information

  • Care level: expert
  • Temperament: peaceful
  • Diet: carnivore
  • Minimum tank size: Not suitable for typical home aquariums due to size and specific environmental needs; requires very large, specialized cold-water systems.
  • Compatibility: Best kept in species-specific tanks or with other cold-water, non-aggressive fish of similar size, provided ample space and appropriate conditions.
  • Special requirements: Requires highly oxygenated, pristine cold water with strong filtration and flow. Sensitive to elevated temperatures and poor water quality. Not recommended for general aquarium keeping.

Water parameters

Temperature
4-18°C (39-64°F)
pH level
6.5-8.0
Hardness
Soft to moderately hard (50-200 ppm)

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