Sea anemones

Actiniaria

Colourful tentacles swaying in the current, sea anemones are home to clownfish in the tropics and shelter prawns and crabs in temperate waters. Look but don't touch — their stinging cells can irritate bare skin.

Last updated April 2026

Bubble-tip anemoneEntacmaea quadricolor7 photos

Up to 30 cm1–25mRocky reef

A widespread Indo-Pacific sea anemone whose tentacles often end in a swollen bulb-like tip. A favoured host for clownfish; colour ranges from brown to vivid rose-red.

Observed at

Small Crack(Sharm El Sheikh)Jackson reef(Strait of Tiran)Woodhouse Reef(Sharm El Sheikh)

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