Bubble tip anemone
Entacmaea quadricolor · Actiniidae
Also known as BTA, Rose anemone
Intermediate
The clownfish host that actually works in captivity — needs strong light and a mature tank.
- Minimum tank
- 150 L
- Temperature
- 24–27 °C
- pH
- 8.1–8.4
- Adult size
- 30 cm
- Group size
- 1+
Will it fit your tank?
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Sign in to check my tanksReef & marine husbandry
- Specific gravity
- 1.024–1.026
- Reef safety
- Reef safe with caution
- With corals
- Stings corals it wanders into — leave a wide gap.
- With inverts
- Will eat shrimp that stray in.
- Minimum in a mixed reef
- 150 L
- Minimum fish-only (FOWLR)
- 150 L
- Aggression
- Stinging, and it moves where it likes.
- Feeding
- Small feeds once or twice a week.
Care requirements
- Minimum tank volume
- 150 L
- Temperature
- 24–27 °C
- pH
- 8.1–8.4
- Hardness
- 8–12 dGH
- Lifespan
- 10–30 years
- Diet
- Photosynthetic plus carnivore — light, mysis and chopped seafood weekly.
- Care level
- Intermediate
Origin & habitat
- Native region
- Indo-Pacific
- Water type
- Saltwater
- Biotope
- Reef crevices in bright shallow water
- Natural conditions
- Strong reef lighting, moderate flow, mature stable water; guard pump intakes.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 1 fish
- Swims
- Bottom
- Good tank mates
- ClownfishTangsGobies
- Avoid
- ButterflyfishLarge angelsNewly cycled tanks
Breeding & difficulty
- Breeding difficulty
- Intermediate
- Sexing
- Not sexable.
- Notes
- Splits on its own when healthy.
- Common ailments
- Bleaching under weak lightGetting shredded by pumps
