Baird's beaked whale (Berardius bairdi)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Mammalia » Eutheria » Laurasiatheria » Cetartiodactyla » Cetacea » Odontoceti » Ziphioidea

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Yellow cone552nm  552nm
Rod481nm  481nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Yellow cone   Photopic
Luminance (scotopic)
Rod   Scotopic
Cones-Rods
580nm - 525nm - 466nm
 
Yellow cone Rod Photopic

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Notes and References:

Griebel U., Peichl L. (2003) Colour vision in aquatic mammals—facts and open questions. Aquatic Mammals 29(1): 18-30

Meredith RW, Gatesy J, Emerling CA, York VM, Springer MS (2013) Rod Monochromacy and the Coevolution of Cetacean Retinal Opsins. PLoS Genet 9(4): e1003432. doi:10.1371/journal.pgen.1003432

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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