Degu (Octodon degus)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Mammalia » Eutheria » Euarchontoglires » Glires » Rodentia » Hystricomorpha

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Yellow cone507nm  507nm
Rod500nm  500nm
Blue cone362nm  375nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Yellow cone   Photopic
Luminance (scotopic)
Rod   Scotopic
Green-UVA
507nm - 422nm - 375nm
 
Yellow cone Blue cone
(Rod)
Photopic
Cones-Rods
548nm - 509nm - 468nm
 
Yellow cone Rod Mesopic

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Notes and References:

Jacobs, G. H., Calderone, J. B., Fenwick, J. A., Krogh, K., & Williams, G. A. (2003). Visual adaptations in a diurnal rodent, Octodon degus. Journal of Comparative Physiology A, 189(5), 347-361.

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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