- English Common Name
- Triangular Fiddler Crab
- Scientific name
- Austruca triangularis
- Taxonomy
- Order: Decapoda, Family: Ocypodidae
- Size
- About 1.5 cm (width of carapace)
- Species Distribution
- In Okinawa prefecture, Iriomote, Ishigaki, Kume and Okinawa Islands. Other distribution areas include area from Amamioshima Island to Indo-West Pacific.
- Okinawa Red List of Threatened Species:Near Threatened
- Japan Red List of Threatened Species:Near Threatened
- Japanese common name was named after its black and white-colored pepper and salt pattern. This species can be found in areas such as estuaries, mangrove forests, bedrocks with mud accumulation, and tidal flats with a mixture of sand, mud and gravel.
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- Updated January 2019
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