Green Star Polyps
Pachyclavularia violacea
Nearly unkillable and spreads fast over rock and glass. Put it on an isolated rock so it cannot take over.
- Light
- Low (≈50–100 PAR)
- Flow
- medium
- Where it goes
- Anywhere on the rock
- Colony size in a year or two
- 4–12 in
- Aggression toward other corals
- low
- Temperature
- 76–82 °F
Where to buy it
Buy aquacultured frags where you can: they're hardier than wild colonies and don't come off a reef.
Likes the same light
Reef-safe fish and inverts
Guides to read next
Care ranges are typical hobby guidance and vary by source and by where the animal came from. Ask your supplier and watch your own tank. Spot a mistake on this page? Let me know.