Assertion: fiddler crab | /r/HasProperty | uca pugnax
Facets:
Source sentences:
text: Common North American species include the marsh fiddler crab (Uca pugnax), the china-back fiddler (U. pugilator), and the red-jointed fiddler (U. minax).
text: The fiddler crab (Uca pugnax) inhabits many marshes along the coastal areas of the Atlantic Ocean.