Manta rays have an unusual mouth filter that resists clogging

Instead of snagging in the filter, plankton ricochets toward the manta’s throat


Manta rays were built for speed — and to filter feed.

The aerodynamic ocean dwellers efficiently separate plankton from seawater using a previously unknown kind of filtration system that resists clogs and captures tiny bits of plankton, researchers report September 26 in Science Advances.

https://www.sciencenews.org/article/...sists-clogging