Squirrel monkey (Samiri sp.)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Mammalia » Eutheria » Euarchontoglires » Primates » Platyrrhini

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Red cone 454,450,480nm511,480,505nm553nm
Green cone 454,450,480nm511,480,505nm553nm
Rod500nm  521nm
Blue cone420nm  448nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Green cone
Red cone
  Photopic
Luminance (scotopic)
Rod   Scotopic
Yellοw-Blue
557nm - 502nm - 446nm
 
Green cone
Red cone
Blue cone
(Rod)
Photopic
Cones-Rods
588nm - 540nm - 491nm
 
Green cone
Red cone
Rod Mesopic

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Notes and References:

Hart N.S., Bailes H.J., Vorobyev M., Marshall N.J., Collin S.P. (2008) Visual ecology of the Australian lungfish (Neoceratodus forsteri) BMC Ecology (2008)8:21. doi:10.1186/1472-6785-8-21

Douglas R.H., Jeffrey G. (2014) The spectral transmission of ocular media suggests ultraviolet sensitivity is widespread among mammals. Proc Roy Soc B 281(1780) doi:10.1098/rspb.2013.2995

Ghim MM, Hodos W (2006) Spatial contrast sensitivity of birds. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 192(5):523-34. doi:10.1007/s00359-005-0090-5

Srinivasan, S., Carlo, C. N., & Stevens, C. F. (2015). Predicting visual acuity from the structure of visual cortex. Proceedings of the National Academy of Sciences 112(25), 7815-7820.

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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