Assertion: blue crab's carapace | /r/HasProperty | shell
Facets:
Source sentences:
text: Carapace (shell) varies in color from bluish to olive-green and can reach up to 9 inches across.
text: Red king crabs can grow very large with carapace (the shell covering their back)
text: Carapace (shell) up to 4 inches wide; light brown to olive color
text: The carapace (shell) is convex with crosswise-creased line immediately behind the beak and another curved one farther back.
text: The carapace (shell) is squared with rounded rear edges.