And as they swirl in tight formation, this multi-step column of mantas creates its own vortex, sucking in and delivering the plankton right into the mantas' cavernous mouths.
Kui nad keerlevad tihedalt koos, tekitab see mitmeastmeline raide sammas pöörise, mis imeb planktonit sisse ja toob otse raide põhjatutesse suudesse.