Sea otter (Enhydra lustris)

Containing taxa: Animalia » Chordata » Osteichthyes » Sarcopterygii » Tetrapoda » Mammalia » Eutheria » Laurasiatheria » Carnivora » Caniformia » Mustelidae

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Yellow cone545nm  545nm
Rod501nm  501nm
Blue cone441nm  441nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Yellow cone   Photopic
Luminance (scotopic)
Rod   Scotopic
Green-Indigo
555nm - 493nm - 437nm
 
Yellow cone Blue cone
(Rod)
Photopic
Cones-Rods
585nm - 529nm - 473nm
 
Yellow cone Rod Mesopic

Please wait...

Please wait...

Please wait...

Please wait...

 

Notes and References:

Levenson, D H, Ponganis, P J, Crognale, M A, Deegan, J F, Dizon, A, Jacobs, G H. (2006) Visual pigments of marine carnivores: pinnipeds, polar bear, and sea otter. Journal of Comparative Physiology A-Neuroethology Sensory Neural and Behavioral Physiology, 192(8) 833-843

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

Kirk, E. C., & Kay, R. F. (2004). The evolution of high visual acuity in the Anthropoidea. In Anthropoid Origins (pp. 539-602). Springer US.

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



Note: Many species may have gaps in available data, which may be filled in with extrapolations from closely related species. The AVIAN website is copyright © 2011-2024 J. Gagnon. All rights reserved unless otherwise specified.