Assertion: walleye | /r/HasAspect | two dorsal fins
Facets:
value: on their back
type: LOCATION
Source sentences:
text: They have two dorsal fins on their back, with a large, noticable black spot at the bottom of the first fin.
text: Walleyes have two dorsal fins, an upper spiny one and lower soft-rayed one, as well as a white-tipped caudal fin and anal fin.