Brown anole (Anolis sagrei)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Diapsida » Lepidosauromorpha » Squamata » Iguania » Dactyloidae

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Red cone567nm480nm510nm567nm
Double cone567nm440nm475nm567nm
Green cone495nm440nm475nm503nm
Blue cone460nm340nm376nm460nm
Vio/UV cone365nm  368nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone   Photopic
Yellow-Cyan
582nm - 538nm - 499nm
 
Red cone Green cone Photopic
Green-Blue
536nm - 493nm - 456nm
 
Green cone
Red cone
Blue cone Photopic
Blue-UV
461nm - 410nm - 366nm
 
Blue cone Vio/UV cone Photopic

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Notes and References:

Loew, E. R., Fleishman, L. J., Foster, R. G., Provencio, I. (2002) Visual pigments and oil droplets in diurnal lizards: a comparative study of Caribbean anoles. Journal of Experimental Biology 205, 927-938.

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



Note: Many species may have gaps in available data, which may be filled in with extrapolations from closely related species. The AVIAN website is copyright © 2011-2024 J. Gagnon. All rights reserved unless otherwise specified.