noun
sea hare; Aplysia kurodai
A marine gastropod mollusk. The name comes from the belief that it appears before rain. Often written in katakana.
磯でアメフラシを見つけた。
I found a sea hare on the rocky shore.
アメフラシは刺激を受けると紫色の液体を出す。
Sea hares release a purple liquid when stimulated.