Assertion: flounder's fin | /r/CapableOf | extend to caudal tailfin
Facets:
value: in most species
type: OTHER
value: from the head
type: LOCATION
Source sentences:
text: Flounders have a long dorsal fin extending from the head to caudal (tail) fin and an anal fin extending from vent (anus) to caudal fin in most species.