Pouched lamprey (Geotria australis)

Containing taxa: Animalia » Chordata » Petromyzontiformes

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
LWS cone610nm440nm480nm610nm
Rh2 cone515nm440nm480nm519nm
Rod505nm440nm480nm512nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
LWS cone
Rh2 cone
  Photopic
Luminance (scotopic)
Rod   Scotopic
Red-Green
630nm - 574nm - 514nm
 
LWS cone Rh2 cone Photopic

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Notes and References:

Collin, S. P., Hart, N. S., Shand, J., & Potter, I. C. (2003). Morphology and spectral absorption characteristics of retinal photoreceptors in the southern hemisphere lamprey (Geotria australis). Visual neuroscience, 20(2), 119-130.

Hunt, D. M., Carvalho, L. S., Cowing, J. A., Parry, J. W., Wilkie, S. E., Davies, W. L., & Bowmaker, J. K. (2007). Spectral tuning of shortwave-sensitive visual pigments in vertebrates. Photochemistry and Photobiology, 83(2), 303-310.

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.