What do deep-sea crustaceans munch on? A new study titled "A deep-sea isopod that consumes Sargassum sinking from the ocean's surface," published in the journal Proceedings of the Royal Society B: Biological Sciences, sheds light on a remarkable isopod species named Bathyopsurus nybelini, a deep-sea isopod that consumes Sargassum sinking from the ocean's surface.