noun
skeleton shrimp; spectre shrimp
A small marine crustacean of the genus Caprella, often found clinging to seaweed or hydroids. The name is usually written in katakana in biological contexts.
ワレカラは海藻の間に見られる小さな甲殻類です。
Skeleton shrimp are small crustaceans found among seaweed.
The name likely derives from 割れ殻 (われがら), meaning 'broken shell', referring to its fragile appearance. The exact derivation is uncertain.