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Table 4 Summary of nonopponent and opponent cone interactions

From: Functional diversity in the color vision of cichlid fishes

   Single cones Double cones
  Spectral range (nm) KSWS1 KSWS2b KSWS2a KRH2b KRH2a KLWS
M. zebra 340-400 +   -    
(Subset 2) 400-480 -   + -   
  480-540    - + -  
  540-620     - +  
M. auratus 340-380 + -     
(Subset 3) 400-440 - +     
  440-480   -   +   
  480-540     - +  
  540-640     +   +
P. taeniolatus 380-420   +   -   
(Subset 7) 420-460    + -   
  460-540   - - +   
  540-580      + +
  580-660     -   +
  1. KSWS1-KLWS represent the weights of the relative contribution of each cone mechanism to spectral sensitivity used in the multiple-cone mechanism model. Weights can be positive (nonopponent) or negative (opponent). The spectral ranges listed in this table represent discernible peaks (or cone mechanism) in the spectral sensitivity curves, and each peak was fitted by the multiple cone mechanism model.