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A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. [1] Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and ...
The classification of corals has been discussed for millennia, owing to having similarities to both plants and animals. Aristotle's pupil Theophrastus described the red coral, korallion, in his book on stones, implying it was a mineral, but he described it as a deep-sea plant in his Enquiries on Plants, where he also mentions large stony plants that reveal bright flowers when under water in ...
Blue coral (Heliopora coerulea) is a species of colonial coral. It is the only octocoral known to produce a massive skeleton. [3] This skeleton is formed of aragonite, similar to that of scleractinia. Individual polyps live in tubes within the skeleton and are connected by a thin layer of tissue over the outside of the skeleton.
Florida's Coral Reef stretches from below the Keys to north of West Palm Beach, it's home to countless marine life, and it's in danger.
While it covers only 1.6% of the planet's oceanic area, the region has 76% of all known coral species in the world. As a habitat for 52% of Indo-Pacific reef fishes and 37% of the world's reef fishes, it contains the greatest diversity of coral reef fishes in the world [17] More than 3,000 species of bony fish are distributed over more than 90% of the Coral Triangle.
BSc meteorologist Janice Davila tells Bored Panda that one of the most unknown facts from her field of expertise is that weather radars are slightly tilted upward in a half-degree (1/2°) angle.
Leptogorgia virgulata is a colonial coral averaging about 20 cm (8 in) in height, usually between 15 and 60 cm as an adult, but sometimes reaching 1 metre (3.3 ft). It does not have the rigid calcium carbonate skeleton possessed by the true corals but its stalks have an internal, axial skeleton which is stiffened by sclerites and covered by an outer layer, the coenenchyme.
30 Strange But Interesting Facts To Satisfy Your Never-Ending Need For Knowledge. Mantas Kačerauskas. December 24, 2024 at 1:30 AM. Winter, and the holidays especially, ...