Digital collections

Antarctic krill, Euphausia superba. The small front appendages are used forraking tiny bits of algae from ice. The green mass in the photo is thehepatopancreas, and bioluminescent (light-emitting) organs are visible at thebase of the eyestalk and thorax. (Image credit: NOAA NMFS SWFSC Antarctic Marine Living Resources (AMLR) Program | Dr. Wayne Trivelpiece)