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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 ...
The Philippines coral reef area, the second-largest in Southeast Asia, is estimated at 26,000 square kilometres. 915 reef fish species and more than 400 scleractinian coral species, 12 of which are endemic are found there. The Raja Ampat Islands in Indonesia's Southwest Papua province offer the highest known marine diversity. [70]
Anthozoans are exclusively marine, and include sea anemones, stony corals, soft corals, sea pens, sea fans and sea pansies. Anthozoa is the largest taxon of cnidarians ; over six thousand solitary and colonial species have been described.
A common pest species in marine aquariums which spreads rapidly and harms corals and invertebrates with their sting. Can sting fish, but fatalities are rare. Notoriously difficult to eradicate, but a number of organisms can be used for control, including peppermint shrimp and Berghia verrucicornis. Bubble-tip anemone: Entacmaea quadricolor ...
Coral reefs are one of the most well-known marine ecosystems in the world, with the largest being the Great Barrier Reef.These reefs are composed of large coral colonies of a variety of species living together.
Hundreds of species can exist in a small area of a healthy reef, many of them hidden or well camouflaged. Reef fish have developed many ingenious specialisations adapted to survival on the reefs. Coral reefs occupy less than 1% of the surface area of the world oceans, but provide a home for 25% of all marine fish species.
The coral shelters a host of marine life including fish, crabs and shrimp. ... More than 40% of warm-water reef-building coral species now face extinction, primarily because of climate change, ...
Lacks a fringing reef but has a shallow reef, beyond which extend deep-water coral shelves for many miles. Habitat includes 16 species of stony coral and is the easternmost place in the Hawaiian Islands where table corals of the genus Acropora are found. New Caledonia Barrier Reef: New Caledonia