Didemnum misakiense

Japanese: チブサボヤ（英語表記）Didemnum misakiense

A protochordate of the Ascidian family, family Ascididae. It is found in areas from the Pacific coast of Honshu to the Philippines, where it attaches to the undersides of rocks. Its breast-like projections, each about 2 cm in diameter, come together to form a large, thick, fleshy mass. It is reddish orange in color, and the exit openings at the tip of each projection are bordered in white. The zooids are arranged in a single layer on the surface of the colony, and this part contains many star-shaped calcareous ossicles. [Imajima Minoru]

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

ホヤ綱ウスボヤ科の原索動物。本州太平洋岸からフィリピンにかけて分布し，岩石の下面などに付着している。直径2cmほどの乳房状の突起が集まって大きな厚い肉質の塊をつくる。赤みがかった橙色で，おのおの突起の先端に開く出孔口は白く縁取られている。個虫は群体の表層に1層に並んでいて，この部分に星状の石灰質小骨片が多数含まれている。【今島実】

出典　株式会社平凡社世界大百科事典第２版について　情報

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