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Other corals, like the dome and plate species, are more bulky and may only grow 0.3 to 2 cm (0.1 to 0.8 in) per year. [8] The rate of aragonite deposition varies diurnally and seasonally. Examination of cross sections of coral can show bands of deposition indicating annual growth. Like tree rings, these can be used to estimate the age of the coral.
Oxypora glabra is a species of scleractinia coral, otherwise known as stony or hard coral, and part of the family Lobophylliidae, which is characteristic of robust coral colonies. [3] Corals are extremely plastic organisms in that their structures rely on their environment, making construction widely variable.
Porites is a genus of stony coral; they are small polyp stony (SPS) corals. (Also referred to as finger coral or hump coral) They are characterised by a finger-like morphology. Members of this genus have widely spaced calices, a well-developed wall reticulum and are bilaterally symmetrical.
Staghorn coral is found throughout the Western Atlantic Ocean, from the Florida Keys and the Bahamas, to the coasts of the various Caribbean islands.It occurs in the western Gulf of Mexico, but is absent from U.S. waters in the Gulf of Mexico, as well as Bermuda and the west coast of South America; the northern limit of this species is Palm Beach County, Florida, where only small populations ...
Scolymia, commonly called scoly coral, is a genus of large-polyp stony corals (Scleractinia). These animals are believed date back to the Miocene with three extant species present in the eastern Atlantic Ocean.
Galaxea astreata is a common and cosmopolitan large polyp scleractinian coral, (stony, hard coral) in the family Euphylliidae.It has a sub-massive morphology.It is found in the Indo-Pacific [2] and is the most abundant coral species in Xuwen Coral Reef National Nature Reserve.
Pocilloporids are colonial and most species are reef-building. They are very variable in size and shape, some being submassive and others arborescent or ramose. The corallites are small and vary from being sunken to being raised cones. The columellae are well developed and the septa may be fused with them.
Consequently, the term "gorgonian coral" is commonly handed to multiple species in the order Alcyonacea that produce a mineralized skeletal axis (or axial-like layer) composed of calcite and the proteinaceous material gorgonin only and corresponds to only one of several families within the formally accepted taxon Gorgoniidae (Scleractinia).