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The wide-mesh sea fan (Gorgonia mariae) is also similar in appearance, but at only 30 centimetres (11.8 in), is smaller, and many of the branchlets do not interconnect. [4] The Venus sea fan is white, yellowish, or pale lavender. The fan is often found oriented perpendicular to the incoming waves and can grow to a height of 1.5 m (4 ft 11 in).
Venus fan (Gorgonia flabellum), Caribbean Sea at Goat Bay (Bahía de la Chiva) on Vieques Island, Puerto Rico Gorgonian with reproductive stage, Caribbean Sea at Cabrits National Park, Dominica A close-up of an alcyonacean showing individual polyps. The structure of a gorgonian colony varies.
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.
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These sea fans are found on vertical surfaces on reefs and under overhangs, usually orientated perpendicularly to the water flow. It may grow in assemblages with sponges, bryozoans or tunicates. It is preyed upon by the coral nudibranch, Phyllodesmium horridum, as well as the walking anemone, Preactis millardae. [3]
Venus has by far the densest atmosphere of the terrestrial planets, composed mostly of carbon dioxide with a thick, global sulfuric acid cloud cover. At the surface it has a mean temperature of 737 K (464 °C; 867 °F) and a pressure 92 times that of Earth's at sea level.
Antillogorgia bipinnata, the bipinnate sea plume, is a species of colonial soft coral, a sea fan in the family Gorgoniidae. It is found in the Caribbean Sea . It was first described as Pseudopterogorgia bipinnata in 1864 by the American zoologist Addison Emery Verrill .