Antarctic krill Euphausia superba - juveniles hovering in Antarctica

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Name: Antarctic krill - juvenile (Antarktischer Krill - Leuchtgarnele - Walkrebschen)

Scientific name: Euphausia superba (Dana)

Details: late juveniles, length ca. 48 mm

Status: alive - in front of the ecoSCOPE off the Antarctic Penninsula  waters on FS  "Meteor"BIOMASS Expedition 1980/81 - [XENON ultra short strobe light sheet illumination 18 ms 45 degree offset 550 mm off frontglass]  the blur and halo of this image is not due to shortcuts of our camera but by tiny plankton organisms (its grating-like ultrastructures defract the light on its path from the krill to the frontglas of the imaging system)

Dynamic: left animal in typical oblique hovering position with pleopods beating and filtering basket closed - the filtering basket of the right animal is wide open, ready to capture a small red copepod 30 degree below the eyes, between the antennae. The swimming legs are beating with full power, the telson adjusts the approach slightly downwards towards the prey - below the animals in the middle a fecal string and on the right side a spit ball.
 
 
 

institute of marine and coastal sciences RUTGERS

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lookup July 1991 issue of Science (vol 253, pages 64-66).

antarktischer krill wal wale filtrierer plankton nekton antarktis suedpolar suedpol suedpolarmeer meer ocean biomasse groesste walnahrung krebs crustacea jacques yves cousteau gotthilf hempel jupp menke uwe kils kinder of the planet kids of the globe kinder university free education fishschool kinderbuch