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Stony coral tissue loss disease (SCTLD) is a disease of corals that first appeared off the southeast coast of Florida in 2014. It originally was described as white plague disease . [ 1 ] By 2019 it had spread along the Florida Keys and had appeared elsewhere in the Caribbean Sea .
Scleractinia, also called stony corals or hard corals, are marine animals in the phylum Cnidaria that build themselves a hard skeleton. The individual animals are known as polyps and have a cylindrical body crowned by an oral disc in which a mouth is fringed with tentacles.
Pavona clavus is a cream, yellow, brown, or pale grey coral typically forming columnar or club-shaped colonies, though it may also form flattened plates. [ 3 ] [ 4 ] The columns are generally smooth and uniform in size, typically measuring up to 20 cm (7.9 in) tall and 3–5 cm (1.2–2.0 in) in diameter. [ 3 ]
Biologists say Stony Coral Tissue Loss Disease, originally dubbed "white syndrome," is unprecedented and has been killing more than 20 Caribbean coral species and coral on Florida’s reefs since ...
Coral diseases that are distributed throughout an area can have a big impact on other parts of reef communities. Not only do coral diseases impact the overall accretion and surface area of the coral, it also affects coral reproduction, the diversity and prosperity of reef species, topography of structures, and community dynamics. [1]
Stylophora pistillata is widely distributed in the tropical and subtropical Indo-Pacific region. Its range extends from Madagascar, East Africa, the Red Sea and the Persian Gulf, through the Indian Ocean to northern Australia, Indonesia, the Philippines, New Guinea, Japan and many island groups in the western and central Pacific Ocean.
Porites nodifera, also known as dome coral, is a species of stony coral in the Poritidae family. [ 2 ] [ 1 ] [ 3 ] It was first described by Carl Benjamin Klunzinger , a German physician and zoologist active in the Red Sea region in the 1860s, and classifying its species in the 1870s and 1880s.
The coenosarc may consist of a thin membrane from which the polyps project, as in most stony corals, or a thick fleshy mass in which the polyps are immersed apart from their oral discs, as in the soft corals. [2] The skeleton of a stony coral in the order Scleractinia is secreted by the epidermis of the lower part of the polyp; this forms a ...