Color receptor identities of goldfish cones

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Science  06 Feb 1976:
Vol. 191, Issue 4226, pp. 487-489
DOI: 10.1126/science.1246634


Goldfish retinas were exposed to spectral lights, then incubated with nitroblue tetrazolium chloride. Diformazan deposits revealed that five morphologically distinct cone types were segregated into three color classes: red long double and long single cones, green short double and long single cones, and blue short single and miniature short single cones.