Bi‐modal sensitivity to monochromatic light by the mud snailIlyanassa obsoleta†
- 22 January 1981
- journal article
- research article
- Published by Taylor & Francis in Marine Behaviour and Physiology
- Vol. 7 (4) , 291-296
- https://doi.org/10.1080/10236248109386990
Abstract
Under laboratory conditions the mud snail Ilyanassa obsoleta exhibits a pronounced positive behavioral response to monochromatic light. The response spectrum for‐this positive phototaxis has maxima at 480 nm and 560–580 nm. The threshold intensities for this response are 2.06 x 10‐7 /μW/cm2 for 480 nm and 2.18 × 10‐7 μW/cm2 for 580 nm. These results are suggestive of Ilyanassa's possessing two visual pigments with different absorption maxima.This publication has 12 references indexed in Scilit:
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