Warekara (split shell) - Warekara (English spelling) skeleton shrimp

Japanese: ワレカラ(割殻) - ワレカラ(英語表記)skeleton shrimp
Warekara (split shell) - Warekara (English spelling) skeleton shrimp
A general term for crustaceans in the suborder Caprellidea, often referring to those in the family Caprellidae. They have small, slender bodies and are commonly found among seaweed and bryozoans. They move and walk in a manner similar to that of an inchworm. When they swim, they shake their bodies like moss larvae. The name is said to come from the fact that their shells crack when they dry out. An old poem from the Kokinshu reads, "Amanokarumo ni su mu mushi no wa kara to ne wo koso nakame yo wo bauramiji" (Amanokarumo ni su mu mushi no wa kara to ne wo koso nakame yo wo bauramiji).

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
端脚目ワレカラ亜目Caprellideaの甲殻類の総称であり,ワレカラ科Caprellidaeに属するものを呼ぶことが多い。体は細長く小型で,海藻やコケムシ類などの間にふつうに見られる。シャクトリムシに似たしかたで運動および歩行をする。泳ぐときはボウフラのように体を振って泳ぐ。この名は乾燥させると体の殻が割れることに由来するという。〈あまのかるもにすむむしの我からとねをこそなかめ世をばうらみじ〉(《古今集》)と古く歌にも詠まれている。

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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