Contact: Mark Purnell
University of Leicester
Caption: The strange "throat teeth" of the cichlid fish Astatoreochromis alluaudi. The colored images at the bottom show contoured surfaces (140 micrometers across) showing the difference in roughness between cichlids that eat hard food (right) and those that don't (left).
Credit: Mark Purnell, University of Leicester
Usage Restrictions: Use only with credit.
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