Assertion: porpoise's fin | /r/HasProperty | curved
Facets:
value: backwards
type: MANNER
value: slightly
type: DEGREE
value: in dolphins
type: OTHER
value: usually
type: DEGREE
Source sentences:
text: The dorsal fins on dolphins are usually curved or hooked, while those on porpoises are more triangular in shape.
text: They have triangular instead of curved dorsal fin and blunt jaw
text: In dolphins, the dorsal fin is long and curved backwards.
text: It has elongated dorsal fin that is slightly curved backwards.
text: The dorsal fin is tall, curved and set near the middle of the back.
text: The Pacific White-sided Dolphins is easily recognized as dark above, white below, and possessing a broad-based dorsal fin that is strong re-curved with much white in the “web” and trailing edge.