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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).
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.
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.
Typical values used by commercial fish finders are 4921 ft/s (1500 m/s) in seawater and 4800 ft/s (1463 m/s) in freshwater. [ citation needed ] The process can be repeated up to 40 times per second and eventually results in the bottom of the ocean being displayed versus time (the fathometer function that eventually spawned the sporting use of ...
Gorgonia flabellum, also known as the Venus fan, Venus sea fan, West Indian sea fan, purple gorgonian seafan, and common sea fan, is a species of sea fan, a sessile colonial soft coral. [ 2 ] Description
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