Assertion: eagle ray's fin | /r/CapableOf | form funnel-like structure
Facets:
Source sentences:
text: The large cephalic fins form a funnel-like structure which aids in feeding.
text: Known as ‘cephalic lobes’, these are forward extensions of the pectoral fins which form a funnel-like structure while feeding, helping to channel plankton-filled water into the mouth.