doliolaria

Japanese: doliolaria
doliolaria

...There is only one gonad, which opens on the back near the tentacles. After the eggs are fertilized in the sea, they hatch and become auricularia, then doliolaria, and pentactula before becoming adults, but some become doliolaria immediately. The sea cucumber's cloaca often houses the sea cucumber, which is about 15 cm long.

*Some of the terminology that mentions "doliolaria" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…生殖腺は1個のみで,触手付近の背中側に開口する。海中で受精した卵は孵化(ふか)したあと,アウリクラリア幼生auriculariaとなり,次いでドリオラリア幼生doliolaria,ペンタクチュラ幼生pentactulaに変態して成体になるが,すぐにドリオラリア幼生になるものもある。 フジナマコの総排出腔には体長15cm内外のカクレウオがよく共生する。…

※「doliolaria」について言及している用語解説の一部を掲載しています。

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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