noun
Zosimus aeneus; poisonous crab
A species of toxic crab found in coral reefs of the Indo-Pacific. Its flesh contains potent toxins (saxitoxin and tetrodotoxin) and is not safe to eat.
ウモレオウギガニは猛毒を持つため、絶対に食べてはいけません。
The Zosimus aeneus crab is highly poisonous, so you must never eat it.
The Japanese name ウモレオウギガニ literally means 'buried fan crab', likely from its habit of burying itself in sand or coral rubble and its fan-shaped carapace. The exact origin of the name is uncertain.