São Francisco killifish (Cynolebias sp.)

Containing taxa: Animalia » Chordata » Osteichthyes » Actinopterygii » Neopterygii » Teleostei » Euteleostei » Neoteleostei » Acanthomorpha » Acanthopterygii » Percomorpha » Carangimorpharia » Ovalentariae » Cyprinodontiformes » Aplocheilidae

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Double cone LWS565nm  565nm
Double cone MWS510nm  510nm
Rod505nm  505nm
SWS2b cone410nm  410nm
SWS1 cone360nm  365nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone LWS
Double cone MWS
  Photopic
Luminance (scotopic)
Rod   Scotopic
Yellow-Cyan (double cones)
586nm - 540nm - 494nm
 
Double cone LWS Double cone MWS Photopic
Green-UV
527nm - 451nm - 369nm
 
Double cone LWS
Double cone MWS
SWS1 cone
SWS2b cone
Photopic
Indigo-UV
422nm - 392nm - 361nm
 
SWS2b cone SWS1 cone Photopic

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Notes and References:

A UV cone is extrapolated for this species, based on the presence of a UV cone in all Cyprinodontiformes known from more recent studies.

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.