Northern leopard frog (tadpole) (Rana pipiens)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Amphibia » Salientia

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
LWS cone620nm  620nm
Red rod527nm  527nm
Rh2 cone527nm  527nm
Green rod438nm  442nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
LWS cone   Photopic
Luminance (scotopic)
Red rod   Scotopic
Red-Green2
628nm - 573nm - 518nm
 
LWS cone Rh2 cone Photopic
Red rod - Green rod
531nm - 483nm - 438nm
 
Red rod Green rod Scotopic

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Notes and References:

Liebman P.A., Entine G. (1968) Visual pigments of frog and tadpole (Rana pipiens). Vision Research 8(7): 761-775. doi:10.1016/0042-6989(68)90128-4

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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