Oreaster reticulatus
| Oreaster reticulatus | |
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| The red cushion sea star, Oreaster reticulatus, at San Salvador Island, Bahamas | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Echinodermata |
| Class: | Asteroidea |
| Order: | Valvatida |
| Family: | Oreasteridae |
| Genus: | Oreaster |
| Species: | O. reticulatus |
| Binomial name | |
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Oreaster reticulatus (Linnaeus, 1758) |
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| Synonyms | |
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Asterias gigas Linnaeus, 1753 |
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Asterias gigas Linnaeus, 1753
Asterias pentacyphus Retzius, 1805
Asterias reticulata Linnaeus, 1758
Asterias sebae de Blainville, 1830
Oreaster aculeatus (Gray, 1840)
Oreaster bermudensis H.L. Clark, 1942
Oreaster gigas Lutken, 1859
Oreaster lapidarius Grube, 1857
Oreaster tuberosus Behn in Mobius, 1859
Pentaceros aculeatus Gray, 1840
Pentaceros gibbus Gray, 1840
Pentaceros grandis Gray, 1840
Pentaceros reticulatus Gray, 1840
Oreaster reticulatus, commonly known as the red cushion sea star or the West Indian sea star, is a species of marine invertebrate, a starfish in the family Oreasteridae. It is found in shallow water in the western Atlantic Ocean and the Caribbean Sea.
The red cushion star is much the largest sea star found within its range, sometimes growing to about 50 centimetres (20 in) in diameter. It usually has five thick, broad arms projecting from a broad cushioned disc but some specimens have four, six or seven. The upper surface is hard and is covered with blunt spines. The colour of adults is some shade of red, orange, yellow or brown. The juveniles are greenish-brown with mottled markings.
The red cushion star occurs in many regions of the Western Central Atlantic, including the Bahamas, Cape Frio, Cape Hatteras, the Caribbean Sea, Florida, the Gulf of Mexico, Guyanas and Yucatán. Adults are usually found on sandy bottoms and coral rubble at depths of up to 37 metres (121 ft) while juveniles inhabit seagrass meadows where their colouring helps provide camouflage. In the winter, the red cushion star migrates to offshore locations with little water movement in order to avoid turbulence.
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Wikipedia