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Consequently, the term "gorgonian coral" is commonly handed to multiple species in the order Alcyonacea that produce a mineralized skeletal axis (or axial-like layer) composed of calcite and the proteinaceous material gorgonin only and corresponds to only one of several families within the formally accepted taxon Gorgoniidae (Scleractinia).
Erythropodium caribaeorum, commonly known as the encrusting gorgonian or encrusting polyps, is a species of soft coral in the family Anthothelidae. It inhabits coral reefs and rocky bottoms in the Caribbean , Bahamas , and Florida , growing at depths of 0.5 to 25 metres.
G. ventalina is a filter feeder.Each polyp extends its eight tentacles to catch plankton drifting past on the current. Its tissues contain symbiotic dinoflagellate Symbiodinium spp., which are photosynthetic and use sunlight to create organic carbon compounds which are then available to the host coral.
Tubastraea are considered one of the easier non photosynthetic corals to keep in captivity. Their polyps will take relatively large foods such as fish flakes and frozen mysis shrimp; feeding all the polyps once every other day is sufficient for survival, though faster growth is obtained if they are fed daily.
Octocorallia (also known as Alcyonaria) is a class of Anthozoa comprising over 3,000 species [1] of marine organisms formed of colonial polyps with 8-fold symmetry. It includes the blue coral, soft corals, sea pens, and gorgonians (sea fans and sea whips) within three orders: Alcyonacea, Helioporacea, and Pennatulacea. [2]
The World Register of Marine Species list the following genera: [3]. Genus Adelogorgia Bayer, 1958; Genus Antillogorgia Bayer, 1951; Genus Eugorgia Verrill, 1868; Genus Eunicella Verrill, 1869
Other fauna, such as hydrozoa, bryozoa and brittle stars, often dwell among the branches of gorgonian and coral colonies. [28] The pygmy seahorse not only makes certain species of gorgonians its home, but closely resembles its host and is thus well camouflaged. [29] Some organisms have an obligate relationship with their host species.
Nemanthus nitidus, the zebra gorgonian wrapper, [1] [2] is a species of sea anemone within the family Nemanthidae. [3] The species is found in the western Pacific near areas such as Korea , Japan , New Caledonia and the Philippines at depths of 30 to 70 meters.