Sunday, March 30, 2014

Fiddler Crabs

Fiddler crabs (Uca tangeri) are very common in mangrove forests in West Africa. I made these photos in Gambia where they occur everywhere. They have dimorphic claws; one is enlarged on the left or right side. In the area in which I was, bothleft-handed” and “right-handed” were present with a dominance of larger “left-hand” crabs (just my subjective observation).

Fiddler crabs (Uca tangeri) in Gambia
A  “right-handed” Fiddler Crab. 

Fiddler crabs (Uca tangeri) in Gambia
left-handed” crab.
Linked with Macro Monday.


  1. Great pictures!

    Have a nice day ... Frauke

  2. Had to smile at the left handed crab. He seems to be dong just fine with one.


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