A marine animal of the phylum Tentacula, order Chelipedomorpha, and family Hylobenidae. It forms nodular colonies up to 3cm in diameter. It attaches to seaweed such as kombu, sujime, and ginkgo, but sometimes grows long and forked. The chambers that make up the colony are arranged irregularly, and the surface feels rough to the touch due to the projections on the collars of the chambers. When alive, it is orange, but when dead it turns into a white calcareous lump. It is very commonly found on the coasts of Japan. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
触手動物門苔虫綱唇口目コブコケムシ科の海産動物。大きなもので直径 3cmほどの瘤状の群体をつくっている。コンブ,スジメ,ギンナンソウなどの海藻の上に付着するが,ときには長くなって二叉状になることもある。群体を構成する虫室は不規則に並んでおり,虫室の襟部の突起のために表面をさわるとざらざらしている。生きているときは橙色であるが,死ぬと白い石灰質の塊になる。日本各地の海岸にきわめて普通にみられる。
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