アオイガイ

ア

オ

イ

ガ

イ

Meanings

1

eggcase of the greater argonaut

usually written using kana alone

Refers specifically to the delicate, papery shell-like eggcase produced by the female greater argonaut.

See also: カイダコ

海かい岸がんでアオイガイの卵らん殻かくを見みつけた。
I found an eggcase of a greater argonaut on the beach.

2

greater argonaut; paper nautilus

Colloquial use for the animal itself (Argonauta argo), though technically the term refers to the eggcase.

アオイガイは暖あたたかい海うみに生せい息そくしている。
The greater argonaut lives in warm seas.