Assertion: eel's fin | /r/HasProperty | pelvic
Facets:
Source sentences:
text: Most moray eels lack the pectoral and pelvic fins that other fish have.
text: The dorsal fin is long and ribbon-like, the pectoral fins are small and low set, and there are no pelvic fins.
text: It lacks pelvic fins, swim bladders, and scales.