actinia equina

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Beadlet Anemone (Actinia equina)

…a species of sea anemone that can be found on the rocky coasts of the United Kingdom, Western Europe and the Mediterranean. This anemone is highly adapted to its environment and can thrive in high temperatures and dryness, some have even been found in areas with low salt. They also possess a ring of blue tentacles called acrorhagi which are used to fight off other anemones that attempt to invade their space.

Phylogeny

Animalia-Cnidaria-Anthozoa-Hexacorallia-Actiniaria-Actiniidae-Actinia-equina

Image Source(s)