10.14288/1.0105002
Dill, Peter Arnott
Polarized light perception and orientation by yearling sockeye salmon (Oncorhynchus nerka)
University of British Columbia
2011
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Conditioning experiments demonstrated a significant, repeatable and reversable capacity for groups of yearling sockeye salmon (Oncorhvnchus nerka) to discriminate between perpendicular planes of linearly polarized light. Polarized light was also shown to influence orientation behavior when compared with orientation under unpolarized light. A limited number of fish orientated at a common angle (between 22.5 and 45 to the right of) with respect to the plane of polarization. Possible analysers of polarized light are discussed.
University of British Columbia
03rmrcq20