Overview
The Brittle Star (Red) (Ophiomastix spp.) is a intermediate saltwater species known for its red-brown, banded arms coloration. Nocturnal. Hidden.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Red-Brown, Banded arms.
Body Shape: Starfish (flat radial). Typical adult dimensions: 25.0 x 25.0 x 2.5.
Sexual Dimorphism: Minimal.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | Hidden |
Behavior & Activity
Fast for an echinoderm; snake-like arm movement propels quickly across surfaces; nocturnal scavenger; hides in rockwork
Speed: 12/100Aggression: 1/10diurnal
Breeding
Not bred at home
Common Diseases
💊 Very sensitive to acclimation💊 bacterial
Expert Notes
Nocturnal; hides in rock; excellent scavenger