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InvertebrateSaltwaterIntermediatePeaceful

Bubble Tip Anemone

Entacmaea quadricolor

Also known as: bubble-tip anemone, bubble tip sea anemone, bulb tentacle sea anemone, bulb-tentacle sea anemone, bulb-tip anemone

The classic clownfish host that can clone itself when truly happy.

Bubble Tip Anemone
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CC BY-SA 3.0

About

The bubble tip anemone (Entacmaea quadricolor) is probably the most commonly kept anemone in the saltwater hobby, and for good reason. It ranges widely across the Indo-Pacific, from the Red Sea and east Africa out through Micronesia and Melanesia, all the way north to Japan and south to Australia, turning up in reef environments from shallow water down to considerable depths. What makes it instantly recognizable are the tentacles, which balloon into distinctive bulb-shaped tips under good conditions. Though the same individual can display elongated, more tapered tentacles when light or flow isn't quite right, which occasionally confuses newer keepers into thinking something is wrong. Coloration varies quite a bit, from the classic brown or tan to rose, red, and even vivid green color morphs. In the wild it hosts several clownfish species, and that relationship works reliably in captivity too. Many keepers specifically set up tanks around this pairing. A well-established bubble tip will occasionally split into two individuals, which is a good sign the animal is thriving. It can live for decades with proper care, so this is a long-term commitment. It's considered intermediate-level, mainly because anemones need stable, established reef conditions and reasonably strong lighting to do well long-term.

Frequently asked questions

How big does the Bubble Tip Anemone get?
The Bubble Tip Anemone reaches about 4–10" as an adult.
What size tank does the Bubble Tip Anemone need?
A minimum of 55 gallons is recommended for the Bubble Tip Anemone.
What water parameters does the Bubble Tip Anemone need?
The Bubble Tip Anemone does best with a temperature of 72–82°F, a pH of 8–8.4.
Is the Bubble Tip Anemone aggressive?
The Bubble Tip Anemone is generally peaceful and suits a community tank with similarly calm tankmates.
How long does the Bubble Tip Anemone live?
With good care, the Bubble Tip Anemone typically lives 12-25 years.
Is the Bubble Tip Anemone reef safe?
The Bubble Tip Anemone is generally considered reef safe.