Alex Mustard / Red boring sponge (Cliona delitrix) three excurrent apertures covered in Sponge zoanthids (Parazoanthus parasiticus) East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Alex Mustard / Sponge brittle star (Ophiactis sp) clambering over a Red boring sponge (Cliona delitrix) covered in Sponge zoanthids (Parazoanthus parasiticus) East End, Grand Cayman, Cayman Islands, British West Ind...

Solvin Zankl / Rock covered with Anemones and Sponges, including Yellow cluster anemone (Parazoanthus axinellae) San Pietro Island, Sardinia, Italy, Mediterranean, July

David Shale / Deepsea Hermit crab with zoanthid (Epizoanthus sp) on shell, from a coral seamount in the Indian Ocean, November 2011

Sue Daly / Colonial / Yellow Encrusting Anemone (Parazoanthus axinellae). Channel Islands, UK, June.

Sue Daly / Colonial Anemone (Parazoanthus axinellae). Channel Islands, UK, August.

Sue Daly / Zoantharians (Protopalythoa sp) Lembeh Straits, Sulawesi, Indonesia

Sue Daly / Yellow encrusting / cluster anemone (Parazoanthus axinellae) group with tentacles exposed underwater, Channel Isles, UK, June

Wild Wonders of Europe / Pitkin / Yellow encrusting anemones (Parazoanthus axinellae) and sponge (Haliclona mediterranea) 'Turtle Rock', Passage du Cavallo, Lavezzi Archipelago, Corsica, France, September 2008

Wild Wonders of Europe / Pitkin / Yellow encrusting anemones (Parazoanthus axinellae) and sponge (Haliclona mediterranea) 'Turtle Rock', Passage du Cavallo, Lavezzi Archipelago, Corsica, France, September 2008

Wild Wonders of Europe / Pitkin / Yellow encrusting anemones (Parazoanthus axinellae) 'Turtle Rock', Passage du Cavallo, Lavezzi Archipelago, Corsica, France, September 2008

Wild Wonders of Europe / Pitkin / Horsehead pinnacle encrusted with Yellow encrusting anemone (Parazoanthus axinellae) and sponges, 'Horsehead', Lavezzi Islands, Corsica, France, September 2008