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Selected articleThe Clownfish, or Anemonefish, are the subfamily Amphiprioninae of the family Pomacentridae. There are currently 27 species, of which one is in the genus premnas and the rest are in the subfamily's type genus Amphiprion. The other pomacentrids are called damselfish. Clownfish are native to wide ranges of the warm waters of the Pacific; some species ranges overlap others. Clownfish are not found in the Atlantic Ocean. Clownfish live in a mutual relationship with sea anemones, or in some case settle in some varieties of soft corals, or large polyp stony corals. Once an anemone or coral has been adopted, the clownfish will defend it vigorously. However, clownfish in an aquarium environment can exist very well without an anemone (this may be advisable as most anemones are extremely difficult to keep alive even for experienced aquarists). The anemone is required in nature because reef life is dangerous for small, brightly coloured fish with very poor swimming abilities; in an aquarium lacking predators it is not needed. For this reason, clownfish never stray far from their host. In an aquarium, where they don't have to forage for food, it is very common for clownfish to remain within 6–12 inches of their host for an entire lifetime. More on Clownfish Selected biographyEdward Drinker Cope (July 28, 1840–April 12, 1897) was an American paleontologist and comparative anatomist. Cope was born in Philadelphia to Quaker parents. At an early age he became interested in natural history, and in 1859 communicated a paper on the Salamandridae to the Academy of Natural Sciences at Philadelphia. It was about this time that he became affiliated with the Megatherium Club at the Smithsonian Institution in Washington, D.C. He was educated partly in the University of Pennsylvania and, after further study and travel in Europe, was appointed curator to the Academy of Natural Sciences in 1865, a post which he held until 1873. From 1864–1867 he was professor of natural science at Haverford College, and in 1889 he was appointed professor of geology and palaeontology by the University of Pennsylvania. More on Edward Drinker Cope Did you know...
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Selected pictureSchooling bigeye trevally. In biology, any group of fish that stay together for social reasons are said to be shoaling and if the group is swimming in the same direction in a coordinated manner, they are said to be schooling. More on the schooling Related PortalsWikiProjectsThe Wikiproject associated with this portal is the Marine Life WikiProject Other WikiProjects include: Lists
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