…Some krill release their eggs directly into the sea when they spawn, some hold them lightly between their thoracic legs, and some attach them as one or a pair of egg masses. The eggs hatch as nauplii, which become metanauplii, and then go through the larval stages of Calyptopis, Fulciria, and Kirtopia, which are unique to this species, before taking their adult form. Antarctic krill [Shigeo Gamo]. … *Some of the terminology explanations that mention "Calyptopis" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…オキアミ類では産卵と同時に卵を海中に直接放出するもの,後方の胸脚の間に軽く保持するもの,1個ないし1対の卵塊として付着させているものなどがある。卵はノープリウスで孵化(ふか)し,メタノープリウスとなった後,この類に特有なカリプトピス,フルキリア,キルトピアの各幼生期を経て,成体の形になる。ナンキョクオキアミ【蒲生 重男】。… ※「カリプトピス」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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