Brown trout (two-year-old) (Salmo trutta)

Containing taxa: Animalia » Chordata » Osteichthyes » Actinopterygii » Neopterygii » Teleostei » Euteleostei » Protacanthopterygii » Salmoniformes

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Double cone LWS600nm  600nm
Double cone MWS535nm  535nm
Rod525nm  525nm
SWS2 cone440nm  458nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone LWS
Double cone MWS
  Photopic
Luminance (scotopic)
Rod   Scotopic
Red-Green (double cones)
632nm - 577nm - 521nm
 
Double cone LWS Double cone MWS Photopic
Lime-Blue
563nm - 508nm - 456nm
 
Double cone LWS
Double cone MWS
SWS2 cone Photopic

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Notes and References:

J.K. Bowmaker, Y.W. Kunz, Ultraviolet receptors, tetrachromatic colour vision and retinal mosaics in the brown trout (): Age-dependent changes, Vision Research, Volume 27, Issue 12, 1987, Pages 2101-2108, ISSN 0042-6989, doi:10.1016/0042-6989(87)90124-6.

Warrant E.J., Nilsson D.-E. (1998) Absorption of White Light in Photoreceptors. Vision Res., Vol. 38, No. 2, pp. 195-207. PII: S0042-6989(97)00151-X

Stavenga D., Smits R.P., Hoenders B.J. (1993) Simple Exponential Functions Describing the Absorbance Bands of Visual Pigment Spectra. Vision Res. 33(8) pp. 1011-1017. doi:10.1016/0042-6989(93)90237-Q



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