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Radula of Periwinkle (Littorina sp.)

Author name: 
Spike Walker
The radula is a tongue-like structure used by Gastropods to rasp plant material from the substrate over which they are crawling. Variable Asymmetrical Contrast with Blue-yellow bicolour polarizer. Horizontal Field Width = 500um.
Equipment used: 
Zeiss Ultraphot 3 with X10/0.32 planapo objective. Canon EOS 5D Mk 2 camera

Awarded "Runner up" in the Spot on Micro Competition 2015

Jury’s comment: 

The tongue-like structure appears here to be made of shining blue glass. The composition, along with the flame-coloured highlights on the form captures the feeling of upward or downward movement beautifully.

Radula of Periwinkle (Littorina sp.)