Orange-clawed Fiddler Crab
Tubuca coarctata
Features: Upper half of palm of male claw conspicuously roughened; orange colour gradually fades along fingers to white at tips. Males have white spot on upper surface of last walking leg. Large, to nearly 40 mm in carapace width.
Notes: Common, on muddy upper shoulders of creeks and riverbanks, estuarine. Indigenous; eastern Australia, from Cape York to Moreton Bay.
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