Lake Victoria tilapia (Haplochromis nyererei)

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

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Double cone LWS568nm  568nm
Double cone MWS535nm  535nm
Rod505nm  505nm
SWS2 cone451nm  453nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone LWS
Double cone MWS
  Photopic
Luminance (scotopic)
Rod   Scotopic
Orange-Teal (double cones)
601nm - 556nm - 511nm
 
Double cone LWS Double cone MWS Photopic
Green-Blue
552nm - 500nm - 450nm
 
Double cone LWS
Double cone MWS
SWS2 cone Photopic

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Notes and References:

Carleton KL, Parry JWL, Bowmaker JK, Hunt DM, Seehausen O (2005) Blackwell Publishing, Ltd. Colour vision and speciation in Lake Victoria cichlids of the genus Pundamilia. Molecular Ecology 14: 4341-4353

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.