Assertion: spiny dogfish's fin | /r/HasAspect | active role
Facets:
value: in thrust production
type: LOCATION
value: during steady swimming
type: TEMPORAL
Source sentences:
text: The greater ROM of the second dorsal fin relative to the first dorsal fin in spiny dogfish, which is moving with the body, suggests that the second dorsal fin can have an active role in thrust production during steady swimming, contrary to the exclusive stabilizing role proposed by Harris (1936).