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THE ISOLATED IRIDESCENT CORNEA OF THE SAND GOBY IS PHOTORESPONSIVE
Author(s) -
SHAND JULIA,
LYTHGOE JOHN N.
Publication year - 1990
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/php.1990.51.6.737
Subject(s) - iridescence , pomatoschistus , goby , cornea , adaptation (eye) , wavelength , biology , optics , fish <actinopterygii> , ecology , physics , fishery
After a 2 h period of dark adaptation the iridescent cornea of the sand goby, Pomatoschistus minutus, responds to illumination by increasing the amplitude of iridescent reflexions and shifting the wavelength of maximum reflexion towards longer wavelengths. This characteristic response is found to occur in both the intact eye and in the isolated cornea, indicating that the light‐induced colour changes are mediated by extra‐retinal photoreceptors.