Fat-tailed dunnart (Sminthopsis crassicaudata)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Mammalia » Marsupialia » Australidelphia » Dasyuromorphia

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Yellow cone565nm  565nm
Rod512nm  512nm
Green cone505nm  505nm
SWS cone363nm  371nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Green cone
Yellow cone
  Photopic
Luminance (scotopic)
Rod   Scotopic
Yellow-Cyan
583nm - 537nm - 491nm
 
Yellow cone Green cone Photopic
Green-UVA
522nm - 423nm - 371nm
 
Green cone
Yellow cone
SWS cone
(Rod)
Photopic

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Notes and References:

Arrese, C. A., Hart, N. S., Thomas, N., Beazley, L. D., Shand, J. Trichromacy in Australian Marsupials (2002) Current Biology, 12 pp. 657-60

Ebeling W, Natoli RC, Hemmi JM (2010) Diversity of Color Vision: Not All Australian Marsupials Are Trichromatic. PLoS ONE 5(12): e14231. doi:10.1371/journal.pone.0014231

Arrese C., Dunlop S.A., Harman A.M., Braekevelt C.R., Ross W.M., Shand J., Beazley L.D. (1999) Retinal Structure and Visual Acuity in a Polyprotodont Marsupial, the Fat-Tailed Dunnart (Sminthopsis crassicaudata). Brain Behav Evol 53:111–126. doi:10.1159/000006588

Deeb, S. S. (2010). Visual pigments and colour vision in marsupials and monotremes. In Marsupial genetics and genomics (pp. 403-414). Springer Netherlands.

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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