Black Brittle Starfish - Ophiocoma spp.
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The Brittle Starfish (Ophiocoma spp.) is a highly adaptable and peaceful echinoderm known for its slender, flexible arms and active scavenging behavior. This invertebrate is a fascinating addition to reef aquariums, helping clean detritus while adding motion to the tank.
Common Name: Brittle Starfish
Scientific Name: Ophiocoma spp.
Family: Ophiocomidae
Size: Up to 6 inches (15 cm) arm span
Temperament: Peaceful
Difficulty: Easy
Reef Safe: Yes
Native Region: Found throughout the Indo-Pacific, typically inhabiting reef crevices, under rocks, and sandy areas where it searches for detritus and organic material.
Tank Size: Minimum of 20 gallons
Temperature: 72–78°F (22–26°C)
pH: 8.0–8.4
Salinity: 1.024–1.026
Substrate: Live rock and rubble with open areas for arm extension and scavenging.
• Scavenger Role: Feeds on detritus, leftover food, and microalgae, helping maintain clean substrate.
• Behavior: Nocturnal; often hides during the day and emerges at night to forage.
• Tankmates: Compatible with most reef fish and invertebrates; avoid predatory species that may harm arms.
• Handling: Handle minimally to prevent breaking delicate arms.