Hard and Soft Corals
Hydnophora
Hydnophora rigida
Photo: Randi Rotjan · CC BY-SA 3.0 · Wikimedia Commons
Key facts
- Temperature24–27 °C
- pH8.1–8.4
- Adult size40 cm
- Difficulty★★★☆☆
- WaterMarine
- Reef safeYes
Full profile
- Type
- SPS hard coral
- Family
- Merulinidae
- Origin
- Indo-Pacific
- Size
- 20–40 cm (colony)
- Temperature
- 24 – 27°C
- pH
- 8.1 – 8.4
- Salinity
- 1.024 – 1.026
- Ca / KH / Mg
- 400–450 / 7–9 / 1250–1350
- Difficulty
- ★★★☆☆
- Light
- medium – high
- Current
- medium – high
- Aggressiveness
- High (it stings its neighbors with filaments)
- Feeding
- photosynthesis
- Reef Safe
- ✅ Yes
Notes: Branches covered with small, conical protrusions, fluorescent green in color. It grows quickly and is aggressive: leave plenty of space around it.
