
Anemones, mushrooms, and zoanthids
Palythoa grandis
Palythoa grandis
Photo: Nhobgood Nick Hobgood · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–27 °C
- pH8.1–8.4
- Adult size4 cm
- Difficulty★☆☆☆☆
- WaterMarine
- Reef safeYes
Full profile
- Type
- Zoanthid
- Family
- Sphenopidae
- Origin
- Caribbean
- Size
- 2–4 cm polyps
- Temperature
- 24 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.023 – 1.026
- Ca / KH / Mg
- marine standard
- Difficulty
- ★☆☆☆☆
- Light
- medium
- Current
- medium
- Aggressiveness
- medium
- Feeding
- photosynthesis; accepts food
- Reef Safe
- ✅ Yes
Notes: Known as the “sun polyp”: large yellow or green polyps. Contains palytoxin, which is very dangerous: wear gloves and goggles when handling.





