the eye of the predacious copepod Corycaeus

Franz Neidl · Post by **Franz Neidl** » Sun Jul 25, 2010 3:04 am

Yesterday I saw the predacious marine copepod Corycaeus spec. I was (and I am) very much impressed from its highly developed eye.
The eye has an outer and an inner lense in a crystal cone (cfr. Larink & Westheide: Coastal Plankton. Photo guide for European Seas, 2006, pp. 96-97).

The hole animal was about 700 µm long; the inner cone 182 µm long.

First picture: Obj. 10x DIC, stack with 9 photos
second picture Obj. 20x DIC, stack 2 photos
third picture: Obj. 40x, stack 2 photos.

Franz

Craig Gerard · Post by **Craig Gerard** » Sun Jul 25, 2010 5:37 am

Franz,
Fascinating images!

The 'eye' of this predacious copepod is well suited for the task.

Craig

Ernst Hippe · Post by **Ernst Hippe** » Sun Jul 25, 2010 8:49 am

Franz,

incredible! So the two-lens-mikroskope is not invented by man but by the nature itself!

Thanks Ernst

Charles Krebs · Post by **Charles Krebs** » Mon Jul 26, 2010 10:13 pm

Franz,

Bizarre and fascinating subject, and wonderful shots!