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Boulder Brain Coral (Colpophyllia natans)
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Description: Colpophyllia natans, known as boulder brain coral & large-grooved brain coral, is a species of stony coral found primarily in the Caribbean Sea & the Gulf of Mexico. It inhabits the slopes & tops of reefs, to a maximum depth of 50 m. It is characterised by large, domed colonies, which may be up to 2 m across, & by the meandering network of ridges & valleys on its surface. The ridges are usually brown with a single groove & the valleys may be tan, green, or white & are uniform in width, typically 2 cm. The polyps only extend their tentacles at night. The robust shape, size & slow growth of the boulder brain coral allows it more easily to survive conditions, than smaller and more fragile corals, such as the plate-like lettuce coral (Agaricia agaricites) Despite its susceptibility to disease, the boulder brain coral is long-lived, with specimens capable of living for more than 200 years.
Uploaded By: femcat38
Date: 1/15/2012
Views: 318
File Size: 80 KB
