Tubuca arcuata

{{Short description|Species of crab}}

{{Speciesbox

| image = Bowed Fiddler Crab Tubuca arcuata JG.jpg

| image_caption = Adult seen in Hong Kong

| genus = Tubuca

| species = arcuata

| authority = (De Haan, 1835)

}}

Tubuca arcuata, the bowed fiddler crab, is a species of fiddler crab in the family Ocypodidae. It can be found in China, Taiwan, Korea, and Japan.{{Cite web |title=Tubuca arcuata / Bowed Fiddler Crab |url=https://fiddlercrab.info/u_arcuata.html |access-date=2025-03-02 |website=fiddlercrab.info}}