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Keywords: shovelnose rayClose
Journal: Journal of Experimental Biology
J Exp Biol (2004) 207 (26): 4587–4594.
Published: 15 December 2004
... the potential for colour vision. Using microspectrophotometry, we show that the retinae of the giant shovelnose ray ( Rhinobatos typus ) and the eastern shovelnose ray ( Aptychotrema rostrata ) contain three spectrally distinct cone visual pigments with wavelengths of maximum absorbance(λ max ) at 477, 502...