Uca tangeri
![Uca tangeri](/resources/medium/750/Uca-tangeri-16713.jpg)
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Uca tangeri
West African fiddler crab
Male.
Portugal, distrito de Faro, Alvor.
9/16/2017
IE016'08-170916096'JJK
![Uca tangeri](/resources/small/128/Uca-tangeri-16713.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-16601.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-16602.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-19704.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-16603.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-16604.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-16606.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-16607.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-19705.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-19706.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-19708.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-22073.jpg)
![Uca tangeri](/resources/small/128/Uca-tangeri-19470.jpg)
The genus Uca shows strong sexual dimorphism manifested by extensive development of one of male's claws. Large claw, that represents almost a half of body weight, is used for territorial fighting and for a waving display.