cryoplankton

cryoplankton

(ˌkraɪəʊˈplæŋktən) n (Biology) minute organisms, esp algae, living in ice, snow, or icy water

cry•o•plank•ton

(ˌkraɪ oʊˈplæŋk tən)

n. plankton that live in the icy waters and meltwaters of glacial or polar areas. [1930–35]