Holothuria (Halodeima) atra is a robust sea cucumber species popular among marine aquarium enthusiasts for its natural role in substrate maintenance. These invertebrates feed primarily on detritus and organic matter, helping to keep the tank environment clean and balanced.
Available in various sizes, Holothuria atra adapts well to a range of aquarium setups but requires stable water parameters and a well-established tank with sufficient live sand or rubble substrate to forage effectively.
Care Requirements
- Diet: Primarily detritus and organic debris; supplemental feeding with finely crushed marine invertebrate foods or algae-based supplements may be necessary in some systems.
- Compatibility: Generally peaceful and reef safe with caution; avoid housing with aggressive fish or invertebrates that may harm them.
- Tank Size: Minimum 75 litres recommended to provide adequate space and stable conditions.
- Water Flow: Moderate water flow preferred to ensure oxygenation without disturbing the substrate excessively.
- Lighting: Standard aquarium lighting is sufficient; no special requirements.
- Placement: Place on or near sandy or rubble substrate where it can forage naturally.
Additional Notes
Holothuria atra can expel sticky tubules as a defence mechanism when stressed, so handle with care and avoid sudden changes in water quality. Regular monitoring of water parameters and maintaining a mature tank environment will promote health and longevity.
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