| Multicoloured sea fan | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Octocorallia |
| Order: | Alcyonacea |
| Family: | Melithaeidae |
| Genus: | Melithaea |
| Species: | M. rubra |
| Binomial name | |
| Melithaea rubra (Esper, 1789) | |
| Synonyms | |
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The multicoloured sea fan (Melithaea rubra) is a species of gorgonian sea fan in the family Melithaeidae. [1]
The sea fan colony grows up to about 30 cm high, with branches of between 2 and 4 mm. It is bushy with thin cylindrical branches which are often tangled or joined. The polyps emerge from knobs on the surface of the colony. It is variably coloured, with the colony being red, yellow, white or pink, and the individual polyps being white, yellow or red. [2]
This sea fan is found only around the South African coast from Bloubergstrand to East London in 10–30 m of water. It is endemic to this region.
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]
Porites astreoides, commonly known as mustard hill coral or yellow porites, is a colonial species of stony coral in the family Poritidae.
The walking anemone, also known as the hedgehog anemone or sock anemone, is a species of sea anemones in the order Actiniaria. It is the only member of its genus, Preactis.
Leptogorgia virgulata, commonly known as the sea whip or colorful sea whip, is a species of soft coral in the family Gorgoniidae.
Millepora alcicornis, or sea ginger, is a species of colonial fire coral with a calcareous skeleton. It is found on shallow water coral reefs in the tropical west Atlantic Ocean. It shows a variety of different morphologies depending on its location. It feeds on plankton and derives part of its energy requirements from microalgae found within its tissues. It is an important member of the reef building community and subject to the same threats as other corals. It can cause painful stings to unwary divers.
Melithaea ochracea is a species of colonial soft coral in the family Melithaeidae, commonly known as knotted fan coral. It grows in tree-like fans on coral reefs in the South China Sea. It is used in the jewellery industry under the name red spongy coral.
Eusmilia is a genus of stony coral in the family Meandrinidae. It is a monotypic genus represented by the species Eusmilia fastigiata, commonly known as the smooth flower coral. It is found on reefs in the Caribbean Sea.
The purple soft coral is a species of colonial soft coral in the family Alcyoniidae.
The Valdivian soft coral is a species of colonial leathery or soft coral in the family Alcyoniidae.
The variable soft coral is a species of colonial soft coral in the family Alcyoniidae.
The cauliflower soft coral is a species of colonial soft coral in the family Nephtheidae.
The feathery sea pen is a species of sea pen in the family Virgulariidae.
The gorgonian twig coral is a species of gorgonian sea fan in the family Anthothelidae.
The nippled sea fanEunicella microthela previously known by the junior synonym Eunicella papillosa, is a species of gorgonian sea fan in the family Gorgoniidae.
The sinuous sea fan is a species of gorgonian sea fan in the family Gorgoniidae.
The palmate sea fan is a species of gorgonian sea fan in the family Gorgoniidae.
Paramuricea clavata, the violescent sea-whip, is a species of colonial soft coral in the family Plexauridae. It is found in shallow seas of the north-eastern Atlantic Ocean and the north-western Mediterranean Sea as well as Ionian Sea. This species was first described by the French naturalist Antoine Risso in 1826.
Eunicella cavolini, commonly known as the yellow gorgonian or yellow sea whip, is a species of colonial soft coral in the family Gorgoniidae. It is native to parts of the eastern Atlantic Ocean, Mediterranean Sea and Ionian Sea where it is a common species.
Leptogorgia sarmentosa is a species of colonial soft coral, a sea fan in the family Gorgoniidae. It is native to the eastern Atlantic Ocean and the western Mediterranean Sea, with a single find in the eastern Mediterranean.
Alcyonium coralloides, commonly known as false coral, is a colonial species of soft coral in the family Alcyoniidae. It is native to the northeastern Atlantic Ocean and the Mediterranean Sea. In the former location it generally grows as sheets or small lobes but in the latter it is parasitic and overgrows sea fans.
Seriatopora hystrix is a species of colonial stony coral in the family Pocilloporidae. It forms a branching clump and is commonly known as thin birdsnest coral. It grows in shallow water on fore-reef slopes or in sheltered lagoons, the type locality being the Red Sea. It is native to East Africa, the Red Sea and the western Indo-Pacific region. It is a common species and the International Union for Conservation of Nature has assessed its conservation status as being of "least concern".
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