Assertion: goldfish's fin | /r/HasProperty | single
Facets:
Source sentences:
text: The comet goldfish will also have two pectoral fins and pelvic fins; while the dorsal fin, anal fin and caudal fin will be single.
text: The caudal fin is a single lobe, though heterocercal.
text: The comet goldfish will also have two pectoral fins and pelvic fins; while the dorsal fin, anal fin and caudal fin will be single.
text: The comet goldfish will also have two pectoral fins and pelvic fins; while the dorsal fin, anal fin and caudal fin will be single.