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Photopigment spectral absorbance of Lake Malaŵi cichlids

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To predict spectral sensitivity, microspectrophotometry (MSP) was used to measure absorbance of photoreceptor cells from 15 species of Lake Malaŵi cichlids. Each fish had one rod and at least three cone pigments. UV‐sensitive pigments were common, but spectral sensitivity did not clearly correlate with feeding mode or habitat.

Keywords: Cichlidae; microspectrophotometry; ultraviolet vision; visual pigment

Document Type: Research Article


Affiliations: 1: Program in Organismic and Evolutionary Biology, University of Massachusetts, Amherst, MA 01003, U.S.A., 2: Skidmore College, Environmental Studies Program, Harder Hall 192, Saratoga Springs, NY 12866, U.S.A., 3: Department of Ecology, Evolution and Natural Resources, Rutgers University, New Brunswick, NJ 08901, U.S.A., 4: The Pennsylvania State University, School of Forest Resources, 02C Ferguson Building, University Park, PA 16802, U.S.A. and 5: Cornell University, Department of Biomedical Sciences, T7-020 Veterinary Research Tower, Ithaca, NY 14853, U.S.A.

Publication date: April 1, 2006


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