fiddler crab
Refers specifically to the fiddler crab, especially Uca arcuata. Typically written in katakana as シオマネキ.
Fiddler crabs are waving their large claws on the tidal flat.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling; rarely used in practice.
Abbreviated kanji spelling; very rare.
Alternate kanji spelling; very rare.
The name しおまねき literally means 'tide-inviter', from the crab's habit of waving its claw as if beckoning the tide. The exact historical derivation is uncertain.