Purple sea fan
A species of Gorgonia Scientific name : Gorgonia ventalina Genus : Gorgonia
Purple sea fan, A species of Gorgonia
Botanical name: Gorgonia ventalina
Genus: Gorgonia
Content
Description
Photo By James St. John , used under CC-BY-2.0 /Cropped and compressed from original 
Description
G. ventalina is a fan-shaped colonial coral with several main branches and a latticework of linking smaller branches. The skeleton is composed of calcite and gorgonion, a collagen-like compound. The calyces in which the polyps are embedded are in two rows along the branches. Many of the smaller branches are compressed in the plane of the fan, which distinguishes this species from the Venus sea fan (Gorgonia flabellum). It often has small accessory fans growing out sideways from the main fan. It grows to 1.5 m (5 ft) tall and is variable in colour, being whitish, yellow, or pale purple. The main branches are often purple and the fan is orientated at right angles to the current.
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Scientific Classification
Phylum
Cnidarians Class
Sea anemones and corals Order
Sea fans Family
Gorgoniidae Genus
Gorgonia Species
Purple sea fan 
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