Stingrays locate prey, usually clams and crabs, with sensors located around their mouth ... The rays have also been targeted for the burgeoning aquarium trade, though it is now illegal to fish ...

They studied how mobula rays — a fish family that includes manta and devil rays — filter feed. The mobula ray’s mouth is lined with comb-like structures called plates that create vortices.

Alex Mustard For a reef manta ray like this ... source—plankton—the fish has to eat virtually all the time. Swimming through a plankton cloud, it opens its massive mouth, deploys special ...