Ophiarachna spp. are a genus of brittle stars prized for their unique appearance and behaviour in marine aquariums. Available in various sizes, these invertebrates add natural movement and interest to reef tanks and marine setups.
Care Level: Moderate care is recommended. These brittle stars require stable water parameters and a well-established aquarium environment.
Feeding: Ophiarachna spp. are primarily scavengers and detritivores. They will consume leftover food, detritus, and small organic particles. Supplement their diet occasionally with finely chopped meaty foods such as mysis shrimp or marine pellets to ensure optimal health.
Compatibility: Generally peaceful and reef safe, Ophiarachna spp. coexist well with most reef inhabitants. Avoid housing with aggressive predators that may harm brittle stars.
Reef Safety: Yes. These brittle stars do not harm corals or other invertebrates and contribute to the aquarium’s clean-up crew.
Tank Requirements: A minimum tank size of 75 litres (20 gallons) is advised to provide sufficient space and stable conditions. Moderate water flow is preferred to simulate natural habitats without stressing the brittle star.
Placement: Provide hiding places such as live rock crevices or substrate where Ophiarachna spp. can retreat during the day. They are mostly nocturnal and more active at night.
Lighting: Standard reef lighting is suitable. No special lighting requirements are necessary.
Origin and Size: Origin and maximum size vary within the genus and are not precisely defined. Sizes available range from small to large specimens.
Ophiarachna spp. are an excellent addition for hobbyists seeking an intriguing and beneficial invertebrate to enhance their marine aquarium ecosystem.
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