(Atractus badius)

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 cone536nm  536nm
Rh1 rod484nm  484nm
SWS1 cone360nm  370nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
LWS cone   Photopic
Luminance (scotopic)
Rh1 rod   Scotopic
Green-UVA
536nm - 422nm - 369nm
 
LWS cone SWS1 cone Photopic

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.