Vision in the Ctenid Spider Cupiennius Salei : Spectral Range and Absolute Sensitivity

@inproceedings{Barth1998VisionIT,
  title={Vision in the Ctenid Spider Cupiennius Salei : Spectral Range and Absolute Sensitivity},
  author={Friedrich Barth and T. Nakagawa and Eisuke Eguchi},
  year={1998}
}
Electroretinograms were recorded from all eyes of the wandering spider Cupiennius salei (Ctenidae) and were found to be simple cornea-negative potential differences with amplitudes of up to 10mV. In both the principal eyes and all of the secondary eyes, the spectral response curves show a prominent green peak at 520 or 540nm and a shoulder in the ultraviolet between 340 and 380nm. The largest response in the ultraviolet measures between 65% and 80% of the green peak. Selective chromatic… CONTINUE READING
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