
Anemones, mushrooms, and zoanthids
Aiptasia
Exaiptasia diaphana
Also called: Pest Anemone
Photo: anbalemans · CC0 · Wikimedia Commons
Key facts
- Temperature18–30 °C
- pH7.8–8.5
- Adult size5 cm
- Difficulty★☆☆☆☆
- WaterMarine
- Reef safeNo
Full profile
- Type
- Anemone
- Family
- Aiptasiidae
- Origin
- Tropical and temperate seas around the world
- Size
- 1 – 5 cm
- Temperature
- 18 – 30°C
- pH
- 7.8 – 8.5
- Salinity
- 1.018 – 1.028
- Ca / KH / Mg
- any
- Difficulty
- ★☆☆☆☆
- Light
- any
- Current
- any
- Aggressiveness
- High (bites nearby corals)
- Feeding
- photosynthesis and food scraps
- Reef Safe
- ❌ No (it’s a pest)
Notes: The most common pest in marine aquariums: it multiplies very quickly when there is an excess of nutrients. It can be controlled with mint shrimp, butterflyfish, or specific products.





