Assertion: sailfish | /r/CapableOf | use their dorsal fins
Facets:
value: for hunting
type: PURPOSE
value: to create a barrier
type: PURPOSE
value: in order to feed
type: PURPOSE
Source sentences:
text: Sailfish also work together, using their dorsal fins to create a barrier around their prey, in order to feed on smaller schooling fish, such as sardines and anchovies.3
text: Sailfish also use their dorsal fins for hunting and raise them in order to herd smaller fish into a confined area where they are more easily caught and eaten.