Halftooth (Hemiodus sp.)

Containing taxa: Animalia » Chordata » Osteichthyes » Actinopterygii » Neopterygii » Teleostei » Otocephala » Ostariophysi » Characiformes

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Double cone LWS590nm  590nm
Double cone MWS545nm  545nm
Rod545nm  545nm
SWS2 cone460nm  461nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone LWS
Double cone MWS
  Photopic
Luminance (scotopic)
Rod   Scotopic
Red-Green (double cones)
635nm - 579nm - 522nm
 
Double cone LWS Double cone MWS Photopic
Yellow-Blue
577nm - 518nm - 459nm
 
Double cone LWS
Double cone MWS
SWS2 cone Photopic

Please wait...

Please wait...

Please wait...

Please wait...

 

Notes and References:

Lythgoe J.N., Partridge J.C. (1989) Visual Pigments and the Acquisition of Visual Information. J. exp. Biol. 146: 1-20

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.