Overview
The Green Star Polyps (GSP) (Pachyclavularia violacea) is a beginner saltwater species known for its bright green polyps, purple mat coloration. Encrusting mat. On surfaces.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Bright Green polyps, Purple mat.
Body Shape: Coral Encrusting (mat/carpet). Typical adult dimensions: 15.0 x 15.0 x 2.2.
Sexual Dimorphism: N/A; colonial.
Tank & Water Requirements
| Min Tank Size | 11 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 | On surfaces |
Behavior & Activity
Sessile encrusting mat; polyps extend and wave in current during light hours; retract into purple mat at night; no locomotion
Speed: 0/100Aggression: 2/10diurnalSchooling (6+)
Breeding
Fragging (asexual); broadcast spawning (sexual)
Common Diseases
💊 Tissue recession💊 pests (flatworms💊 nudibranchs)
Expert Notes
Encrusting mat; fast-growing