NDLI: Tuning of photoreceptor function in three mantis shrimp species that inhabit a range of depths. II. Filter pigments

Content Provider	Springer Nature Link
Author	Cronin, Thomas W. Caldwell, Roy L.
Copyright Year	2002
Abstract	Within single species of stomatopod crustaceans, visual pigment classes of homologous photoreceptors throughout the retina are identical in all individuals and do not vary with the spectral characteristics of local habitats. We examined whether spectral sensitivities of stomatopod photoreceptors are differentially tuned through variations in the filter pigments associated with particular receptor classes. All classes of intrarhabdomal filters were characterized using microspectrophotometry in retinas of three stomatopod species, Haptosquilla trispinosa, Gonodactylellus affinis, and Gonodactylopsis spongicola, comparing individuals of each species collected from shallow or deep water. Depending on the depth of collection, filters varied among individuals both in optical density and in spectral shape, and the variation that was observed was similar in all three species. The changes in filter density and spectrum increased absolute sensitivity in retinas of animals living at greater depths, and tuned their long-wavelength photoreceptors for improved function in the bluer light available in deep water. Plasticity in retinal spectral function may be common in mantis shrimp species that occupy a range of habitat depths.
Starting Page	187
Ending Page	197
Page Count	11
File Format	PDF
ISSN	03407594
Journal	Journal of Comparative Physiology A
Volume Number	188
Issue Number	3
e-ISSN	14321351
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-03-09
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Physiology Behavioral Neuroscience Animal Science and Zoology Ecology, Evolution, Behavior and Systematics

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Tuning of photoreceptor function in three mantis shrimp species that inhabit a range of depths. I. Visual pigments

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