Deep-water coral
Videos
The habitat of deep-water corals, also known as cold-water corals, extends to deeper, darker parts of the oceans than tropical corals, ranging from near the surface to the abyss, beyond 2,000 metres w
Deep-water coral Paragorgia arborea and a Coryphaenoides fish at a depth of 1,255 m (4,117 ft) on the Davidson Seamount
A specimen of Madrepora oculata coral, collected off the coast of South Carolina.
Soft octocoral
Global distribution of Lophelia pertusa
Zooxanthellae
Videos
Zooxanthellae is a colloquial term for photosynthetic single-celled organisms capable of symbiosis with diverse marine invertebrates such as corals, jellyfish, demosponges, and nudibranchs. Most known
Deep-water coral
…and soft corals including the Gorgonians (sea fans). Like tropical corals, they provide habitat to other species, but deep-water corals do not require zooxanthellae to survive. While there are nearly as many species of deep-water corals as shallow-water species, only a few deep-water species develop traditional…
Yellow-brown zooxanthellae
Cross section of the mantle tissue of a giant clam showing the symbiotic protozoa
A ciliate with green zoochlorellae living inside it endosymbiotically
FFS Table bottom