Togetosaka (spiny comb) - Togetosaka

Japanese: トゲトサカ(棘鶏冠) - トゲトサカ
Togetosaka (spiny comb) - Togetosaka
A general term for coelenterates (cnidarians) belonging to the genus Dendronephthya in the family Dendronephthidae of the class Anthozoa. They grow on rocky reefs at depths of up to 50m on coasts facing the open ocean in warm seas. Overall height is about 20cm. Several enlarged main stems arise from a thick, short stalk, and short, finger-like branches grow upward. Polyps form large clusters scattered or densely grown on the stems, and each polyp is surrounded by tiny supporting spicules. Depending on the species, the spicules can be white, yellowish brown, red, purple, etc., and larger spicules protrude outward, making them rough to the touch.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
花虫綱チヂミトサカ科のトゲトサカ属Dendronephthyaに属する腔腸動物(刺胞動物)の総称。暖海域の外洋に面した海岸の水深50m内外までの岩礁に着生する。全体の高さは20cmほど。太くて短い柄部より数本の肥大な主茎が生じ,上方に指状の短い枝を生ずる。ポリプは大きなかたまりをつくって茎枝の上に散在,あるいは密生し,おのおののポリプは微小な支持骨片でとり囲まれている。骨片は種類によって白色,黄褐色,赤色,紫色などがあり,骨片の大きなものでは,外側に突出しているため,手ざわりがざらざらする。

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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