Assertion: blue mussel | /r/CapableOf | use their byssus thread
Facets:
value: to move themselves
type: PURPOSE
Source sentences:
text: Blue mussels also use their byssus thread to defend themselves by tying down attacking sea snails, such as the netted dog whelk (Hinia reticulata).
text: Blue mussels (Mytilus) also use their byssus threads to move themselves over the ground: