Assertion: spiny dogfish's fin | /r/HasProperty | low
Facets:
value: with a base
type: OTHER
value: with a moderate lower lobe
type: OTHER
Source sentences:
text: The caudal fin is low, with a moderate lower lobe and a ventral notch near the tip of the upper lobe.
text: The second dorsal fin is low, with a base twice as long as that of the first, and originates over the anterior half of the pelvic fin bases.
text: The pelvic fins are long and low, and there is no anal fin.