Assertion: manta ray | /r/CapableOf | pass over their gills
Facets:
Source sentences:
text: The spiracles typical of rays are vestigial, and mantas must swim continuously to keep oxygenated water passing over their gills.
text: Mantas are filter feeder which means that they feed on plankton, filtering it out of the water passing through their gills as they swim.
text: Manta rays must swim continuously to keep oxygenated water passing over their gills.