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Orchitophrya stellarum : ウィキペディア英語版 | Orchitophrya stellarum
''Orchitophrya stellarum'' is a single-celled marine ciliate protozoan, a member of the class Oligohymenophorea. It is found living freely in the north Atlantic and Pacific Oceans but is also parasitic, being found inside the gonads of starfish. ==Biology== ''Orchitophrya stellarum'' tolerates a sea temperature range of between and and a salinity range of between 2 and at least 30 parts per thousand of salt equivalent. The lower the temperature, the lower the acceptable level of salinity. Growth is most rapid at 24°C. It is a facultative parasite of sea stars in the Asteriidae family. It seems to be able to survive in the open sea indefinitely as long as there is a supply of bacteria and tissue detritus on which it can feed.
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「Orchitophrya stellarum」の詳細全文を読む
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