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![Antarctic krill, Euphausia superba fish8177.jpg Antarctic krill, Euphausia superba](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fish8177.jpg?itok=Vqa1dtrA)
Description
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)