Assertion: porpoise's fin | /r/HasProperty | low
Facets:
value: in shape
type: OTHER
Source sentences:
text: Its flippers are small, oval and rounded at the tips, and its dorsal fin is wide-based, low and triangular in shape and located just behind the center of the body.
text: The dorsal fin is broad based, low, and triangular and is located slightly aft of the center of the body.