Assertion: manta ray | /r/CapableOf | flatten their cephalic fins
Facets:
Source sentences:
text: While feeding, mantas flatten their cephalic fins to channel food into their mouths and the small particles are collected by the tissue between the gill arches.
text: While feeding, mantas flatten their cephalic fins to channel food into their mouths and the small particles are collected by the tissue between the gill arches.