Assertion: eel's fin | /r/CapableOf | begin behind gill
Facets:
Source sentences:
text: Indeed, the dorsal fin of a true moray begins just behind the gills while the appendage is limited to the tail area of the snake moray eels.
text: Anatomically, their fins represent the biggest difference between these groups—whereas the dorsal fin of a true moray starts just behind its gills, the appendage is limited to the tail region in snake morays.