Detail of an anchor coral (Euphyllia ancora) growing in Lembeh Strait, Indonesia.

Rocks and stones on Croda de R'Ancora with a view on Croda Rossa d'Ampezzo in the background with a blue sky with white clouds

Green anchor (hammer coral) (Euphyllia ancora), Dumaguete, Negros, Philippines, Visayan sea, Southeast Asia, Asia

Colonial corals, euphyllia ancora, has tentacles with tubular tips and are distinctively T shaped

Graphic structure of polyps of the Anchor Coral (Euphyllia ancora), Selayar Island, West coast, South Sulawesi, Indonesia, Java Sea, Indian Ocean