The icy landmass of Antarctica and the surrounding waters give sanctuary to albatrosses, petrels, seals, and penguins; offshore, humpback, blue, and southern fin whales feast. Huge populations are sustained by one tiny animal – krill. There are 86 species of these tiny, shrimp-like crustaceans, and they play an outsized role in marine food webs throughout the Ocean. Gina Selig wrote for National Science Foundation (NSF), “Antarctic krill provide the basis of the diet for most marine mammals and