Assertion: fiddler crab | /r/Synonym | calling crab
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: A fiddler crab, sometimes known as a calling crab, may be any of approximately 100 species of semi-terrestrial marine crabs which make up the genus Uca.
text: Fiddler crab is also known as a calling crab and they are closely related to ghost crab.