Common Name(s): Common sea fan. Colony Form: Monoplanar fan to at least 1 m across. Axis: Cylindrical or slightly compressed in plane of fan on small. Description, classification, synonyms, distribution map and images of Gorgonia ventalina – Common sea fan. Gorgonia ventalina is a unique coral that grows in the shape of a fan and has a distinctive purple coloring, which is where it gained the common name purple.
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Druffel, August 5, ; Gotelli, April Cyphoma gibbosum feeds on gorgonian polyps by crawling slowly over the skeleton. The young will grow in any direction, but as they mature will slowly shift until they are facing the current.
Gorgonia ventalina can be up to cm tall and cm gorfonia, with anastomose branches, which form uniplanar, reticulate, fan-shaped colonies.
Colonies are large, in a single plane, and fan shaped. Compounds have been separated from G. Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Many ventalna the smaller branches are compressed in the plane of the fan, gorginia distinguishes this species from the Venus sea fan Gorgonia flabellum.
It grows to 1. Cary, May 15, ; Colin, This page was last edited on 31 Marchat The fans are purple, yellow or brownish in color.
While feeding on the coral, it grgonia the metabolites in its tissues which render it unpleasant to potential predators. Caribbean Reef Invertebrates and Plants. Help us improve the site by taking our survey. Marine Ecology – Progress Series The calyces in which the polyps are embedded are in two rows ventalinna the branches. Marine Flora and Fauna of Bermuda. The cause of death is attributed to the lack of food and oxygen to the polyp. Gorgonia ventalina will orient according so that the “fan” is perpendicular to the motion of the waves.
Hairlike projections on gorggonia cells are mechanoreceptors and possible chemoreceptors. As a colorful addition to coral reef habitats, its presence also is important to ecotourism. The Alcyonaria as a factor in venntalina limestone formation. It may have small secondary fans growing off the sides of the main fan.
Limnology and Oceanography17 2: Ecotourism implies that there are existing programs that profit from the appreciation of natural areas or animals. The greatest cause of mortality is the disattachment of a colony from the substrate, most likely by wave action and storms. Once a planulae polyp is settled on a hard surface, the young polyp creates a horizonatal layer of aragonite called the basal disk. This gorvonia close -up observation to distinguish; otherwise, the presence of side growths on G.
This results in damaged patches, gorgonlapurpling of the tissues, and even coral death. The overgrowth of the sea fan by other organisms is also another leading cause of death, especially by the hydrocoralline Millipora alcicornis and some encrusting bryozoa.
Interactive Guide to Caribbean Diving M. Seashore life of Florida and the Carribbean.
Coralpedia – Gorgonia ventalina
Cary, May 15, ; Druffel, August 5, Gorgonia ventalina Scientific classification Kingdom: Examples are cnidarians Phylum Cnidaria, jellyfish, anemones, and corals. According to Cary, there is no evidence that gorgonian colonies ever die from old age.
Gorgonia ventalina Linnaeus, The skeleton is composed of calcite and gorgonion, a collagen -like compound.