Assertion: manta ray's gill | /r/CapableOf | slit on their ventral surfaces
Facets:
Source sentences:
text: They have horizontally flattened bodies with eyes on the sides of their heads behind the cephalic fins, and gill slits on their ventral surfaces.
text: They have horizontally flattened bodies with eyes on the sides of their heads behind the cephalic fins, and gill slits on their ventral surfaces.