cryoplankton

[ krahy-oh-plangk-tuh n ]
/ ˌkraɪ oʊˈplæŋk tən /

noun

plankton that live in the icy waters and meltwaters of glacial or polar areas.

Origin of cryoplankton

First recorded in 1930–35; cryo- + plankton

British Dictionary definitions for cryoplankton

cryoplankton
/ (ˌkraɪəʊˈplæŋktən) /

noun

minute organisms, esp algae, living in ice, snow, or icy water