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''Entacmaea quadricolor'', commonly called bubble-tip anemone among other vernacular names, is a species of sea anemone in the family Actiniidae. Like several anemone species, ''E. quadricolor'' can support several anemonefish species, and displays two growth types based on where they live in the water column, one of which gives it the common name, due to the bulbous tips on its tentacles. ==Distribution== ''Entacmaea quadricolor'' is widespread throughout the tropical waters of the Indo-Pacific area, including the Red Sea. ''E. quadricolor'' anemones appear in a variety of morphs, including rose, orange, red, and standard green. This sea anemone can grow to be up to in diameter, and obtains the majority of its energy from solar radiation via its symbiotic zooxanthellae. A characteristic of ''E. quadricolor'' is its ability to maintain a symbiotic relationship with the anemonefish, which can be "hosted" by the anemone by providing it with defence against predators and also providing some nourishment. In turn, the anemone provides the anemonefish with shelter. Nutrients are generally obtained by filter feeding using its sweeping tentacles, or through wastes and debris cleaned from the surface of its partner anemonefish. In the wild, ''E. quadricolor'' are found in two locations. Large adult specimens, with tentacles that are more streaming or stringy, are often found in deeper waters with more dimly lit conditions. These specimens are often solitary, while smaller, younger specimens are often located in groups or colonies nearer to the surface, in bright sunlight. These specimens tend to show the bulbous tips on their tentacles that are characteristic of ''E. quadricolor''. The tips of the anemones will have their characteristic bulbs based on several parameters, including; flow, light, bacterial count, color, and if its hosting. When they are placed in home aquariums, medium flow and medium lighting will be sufficient if your tank is old enough to captivate anemones. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bubble-tip anemone」の詳細全文を読む スポンサード リンク
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