Assertion: horseshoe crab's carapace | /r/HasProperty | visible
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: The U- or horseshoe-shaped carapace (shell) is smooth and brown, although in some environments the carapace is covered with epiphytic plants and epizooic animals (organisms which live on the outer surface of other organisms and can grow so much that the carapace is no longer visible).