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The spectral sensitivity of the eye of a gastropod pulmonate mollusk Radix peregra (Müller,1774) was investigated on the basis of phototaxis in the laboratory conditions. The monochromatic light of tendifferent wavelengths in diapason 400-600 nm servedas a test stimulus. According to the results obtained R. peregra has monochromatic visual system with a possible visual pigment rhodopsin, that may be based on the retinal A and absorption maximum of which falls on a blue-green range of the spectrum about 490 nm.

Спектральная чувствительность глаза брюхоногого легочного моллюска Radix peregra (Müller, 1774) (Basommatophora, Lymnaeidae)
Шепелева И.П.;