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Ultraviolet visual pigment in a vertebrate: a tetrachromatic cone system in the dace
Science (New York, N.Y.)
|December 2, 1983
Abstract:
Microspectrophotometric measurements of optically isolated photoreceptors in the Japanese dace, a cyprinid fish, revealed four spectroscopically distinguishable cone pigments and one rod pigment. A visual pigment that absorbs in the near ultraviolet was found in small single cones.