Wildlife landscape, female sand fiddler crab sipping on the minerals and sediments with its claws from the ground at Gaomei wetland preservation area, Taichung, Taiwan

tubuca arcuata female gelasimus arcuatus bowed fiddler crab sand calling marine mud flat wetland mangrove species ecosystem ocypodidae claw sexually dimorphic shell muddy sediment ground mouth eat gaomei marsh preservation preserve taichung taiwan asia nature natural habitat environment swamp beach animal water crustacean close up fauna soil tidal forage coastal area