Water-flea anatomy - by Wim van Egmond
 
Daphnia male
b  

The male water-flea is smaller than the female. It has more protruding first antennae. It also bears elongated limbs with a hook for grabbing the female.

After mating so-called winter-eggs are developed that can survive harsh conditions like the low temperatures during winter.
 
 


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darkfield Daphnia
frontal view
Daphnia
close-up
head and eyes
close-up
ovary and embryos
close-up
heart

 

All comments to the author Wim van Egmond are welcomed.

Visit Wims home page for links to his many web pages on microscopy

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Published in the March 2002 edition of Micscape Magazine.

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