GORGONIA VENTALINA PDF

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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The polyps live only on the reef surface. The Great Barrier Reef.

Gorgonia ventalinathe purple sea fanis a species of sea fan, an octocoral in the family Gorgoniidae. Certain organisms, such as the brittle star and the basket starfish, use the tall G. The fans are purple, yellow or brownish in color. Once a planulae polyp is settled on a hard surface, the young polyp creates a horizonatal layer of aragonite called the basal disk.

Anthothelidae Erythropodium caribaeorum Antipatharia Antipathes caribbeana Antipathes pennacea Briareidae Briareum asbestinum Briareum species 1 Corallimorphs Ricordea florida General Views Mixed Communities Gorgoniidae Gorgonia flabellum Gorgonia mariae Gorgonia ventalina Iciligorgia schrammi Pseudopterogorgia acerosa Pseudopterogorgia americana Pseudopterogorgia bipinnata Pseudopterogorgia elisabethae Pseudopterogorgia rigida Pterogorgia anceps Pterogorgia citrina Pterogorgia guadalupensis Hydroida Dentitheca dendritica Plexauridae Eunicea calyculata Eunicea laciniata Eunicea laxispica Eunicea mammosa Eunicea pallida Eunicea palmeri Eunicea species 1 Eunicea succinea Eunicea tourneforti Muriceopsis bayeriana Muriceopsis flavida Plexaura flexuosa Plexaura homomalla Plexaurella species Plexaurella dichotoma Plexaurella grisea Plexaurella nutans Pseudoplexaura crucis Pseudoplexaura flagellosa Pseudoplexaura porosa Zoanthidae Palythoa caribbaeorum.

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In geographic ranges, it is found in the southeastern part of the of the nearctic region and the northwestern part of the neotropical region. They are often difficult to distinguish. Gorgonia ventalina can be up to cm tall and cm wide, with anastomose branches, which form uniplanar, reticulate, fan-shaped colonies.

However, it is not known if the growth of these organisms kills the sections or if they invade after the coral is already dead. You can continue searching for Gorgonia ventalina on one of these Web sites:. Articles with ‘species’ microformats. Both may exceed 1. In addition, the G. The Alcyonaria as a factor in reef limestone formation.

Marine Ecology – Progress Series Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. Gorgonia ventalina will orient according so that the “fan” is perpendicular to the motion of the waves.

Coral reefs are found in warm, shallow oceans with low nutrient ventqlina.

The Wide-mesh sea fan Gorgonia mariae is much smaller up to 30 cm and the secondary branches do not always unite or interconnect, giving a widely meshed appearance. In some cases, the color of the sea fan is a result ventalinna the environment and the chemicals in the enviroment.

Marine Species Identification Portal : Common sea fan – Gorgonia ventalina

Cary, May 15, ; Druffel, August 5, The calyces in which the polyps are embedded are in two rows along the branches. There are several potential causes of death for G.

Common sea fan Gorgonia ventalina Linnaeus, Description: The apertures are ventalia small pores located in two rows along the edges of the branches. Brusca and Brusca, As the polyp grows upward, the base’s margin also turns upward, forming a cup called the epitheca, which contains daily growth bands. The young will grow in any direction, but as they mature will slowly shift until they are facing the current.

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Coralpedia

These anti-predator defenses act as successful feeding deterrents to the Cyphoma gibbosuma common predator of the Ventapina. Several epizootics have occurred in the Caribbean on corals growing in stressful conditions such as in low- salinity water in estuaries which seem especially susceptible.

The two large species of this genus, G. Sci USAVol. Sea Grant Field Guide Series, 6. Orientation and growth form of sea fans.

Grigg, March Key Behaviors sessile colonial Communication and Perception In Anthozoans, specialized sensory organs are absent and nerves are arranged in nerve nets.

The gorgoniaa are round or slightly compressed in the plane of the fan branch. Many colonies are now suffering from diseases as shown in some of the photos here. Attached to substratum and moving little or not at all. Colors result from chemical pigments produced in the spicules. Atlantic Ocean the body of water between Africa, Europe, the southern ocean above 60 degrees south latitudeand the western hemisphere.

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