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Ascidia mentula : ウィキペディア英語版 | Ascidia mentula
''Ascidia mentula'' is a species of solitary tunicate. It is found in the north east Atlantic Ocean, the Mediterranean Sea and Black Sea. It occurs round the coasts of Britain but is seldom seen on the east coast of England or Scotland. ==Description==
''Ascidia mentula'' has a tough leathery envelope or tunic composed partly of cellulose. The translucent tunic encloses a fluid-filled body with irregular bulges and two inconspicuous siphons. It is tall, bottle or flask-shaped with the oral (inlet) siphon at the tip and the six-lobed atrial siphon half to two thirds of the way down. The oral siphon has six to eight, often white-tipped, lobes and is surrounded by up to 100 branchial tentacles. It is usually red, pink or sometimes olive green in colour, and may be grey in deep water. It normally adheres to the substrate by the side opposite the atrial siphon.
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「Ascidia mentula」の詳細全文を読む
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