A Few Anemonefish Facts

Scuba Hank NYC

Clark’s Anemonefish, Red Sea, Egypt

It’s pretty hard not to encounter Anemonefish when scuba diving or snorkeling along most tropical coral reefs. They are one of the most colorful and distinctive fish in the ocean.


Anemonefish belong to a subfamily of Damselfish. There are about 30 species of Anemonefish. They have a lifespan of 3 to 6 years and grow to a maximum length between 6 to 7 inches. It is rare to find Anemonefish away from their hosts and therefore named for their association with Sea Anemones.

Symbiotic Relationship

These tiny and energetic fish have developed a unique and symbiotic relationship with Sea Anemones. Anemonefish are one of the only creatures that can withstand the toxins of the Anemones. A sting from an Anemone can be fatal to some fish.

Two theories on how Anemonefish can survive the toxins:

  1. Anemonefish have a coating of mucus that provides protection…

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