Posted on March 10, 2016April 15, 2024 by Beara Creative — 1 CommentGallery of Marine Invertebrates A gallery of Marine (Sea) Invertebrate images by Toby Gibson PhotographyThe Double-spined urchin {Echinothrix calamaris} is fairly common in the Philippines and lives in rocky or coral crevices. The common name comes from the two distinct types of spine. Also known as the banded sea urchin. Malapasuca, Philippines, November. The Double-spined urchin {Echinothrix calamaris} is fairly common in the Philippines and lives in rocky or coral crevices. The common name comes from the two distinct types of spine. Also known as the banded sea urchin. Malapasuca, Philippines, November. Soft coral scene with fish shoal in the background, Calanggaman, Malapascua, Philippines, November Reef scene – Port Ghalib, Red Sea, June Racing stripe flatworm {Pseudoceros bifurcus} on Discosoma sp. which is a corallimorph. There is a contrast between the colours of the flatworm and the coral. Malapascua, Philippines. November Polyps of a reef building coral {Pocillopora sp.} fluoresce green under ultraviolet light.