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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)

Beadlet anemone  (Tomate de mar)

Actinia equina (Actiniaria - Actiniidae), the Beadlet anemone, is a considerably versatile intertidal sea anemone, with a wide array of color variation, from green to red. The most common hue is rust-red.

In the beadlet anemone, the tentacles (up to 192) are arranged radially in six circles around the mouth (the opening to the gastrovascular cavity). Bright blue spots (shown in the photo), called acrorhagi, are below the tentacles on the outer margin of the column and look like warts.

This sea anemone is found primarily in the North Atlantic Ocean and the Mediterannean Sea, but populations also exist stretching down along Africa’s Atlantic coast.

Reference: [1]

Photo credit: ©Jeroen Zetz

Locality: Scherpenisse, Zeeland, Netherlands