Banded cat-eyed snake (Leptodeira annulata)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Diapsida » Lepidosauromorpha » Squamata » Serpentes » Caenophidia » Colubridae » Dipsadinae

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
LWS transmuted rod535nm  535nm
Rh1 rod494nm  494nm
SWS1 transmuted rod360nm  370nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (scotopic)
Rh1 rod
LWS transmuted rod
  Scotopic
Lime-Aqua (scotopic)
560nm - 518nm - 475nm
 
LWS transmuted rod Rh1 rod Scotopic
Green-UV (scotopic)
535nm - 422nm - 369nm
 
LWS transmuted rod SWS1 transmuted rod Scotopic

Please wait...

Please wait...

Please wait...

Please wait...

 

Notes and References:

Sim~oes BF, Sampaio FL, Douglas RH, Kodandaramaiah U, Casewell NR, Harrison RA, Hart NS, Partridge JC, Hunt DM, Gower DJ (2016) Visual Pigments, Ocular Filters and the Evolution of Snake Vision. Mol. Biol. Evol. 33(10):2483–2495 doi:10.1093/molbev/msw148

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.