Assertion: walleye's fin | /r/HasProperty | spinous
Facets:
Source sentences:
text: The first dorsal and anal fins are spinous, as is the operculum.
text: The first dorsal and anal fins are spinous, as is the operculum.
text: The first dorsal and anal fins are spinous, as is the operculum.
text: The first dorsal and anal fins are spinous, as is the operculum.
text: The first dorsal and anal fins are spinous.