Nile tilapia (Oreochromis niloticus)

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 LWS561nm  561nm
LWS cone561nm  561nm
Rod535nm  535nm
Double cone MWS528,518nm  523nm
Rh2 cone472nm  472nm
SWS2 cone456,425nm  437nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
LWS cone
Rh2 cone
Double cone LWS
Double cone MWS
  Photopic
Luminance (scotopic)
Rod   Scotopic
Yellow-Teal (double cones)
590nm - 546nm - 501nm
 
Double cone LWS Double cone MWS Photopic
Lime-Blue
567nm - 517nm - 466nm
 
LWS cone Rh2 cone Photopic
Green-Indigo
543nm - 486nm - 434nm
 
LWS cone
Rh2 cone
Double cone LWS
Double cone MWS
SWS2 cone Photopic

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Notes and References:

Spady, T. C., Parry, J. W. L., Robinson, P. R., Hunt, D. M., Bowmaker, J. K., Carleton, K. L. (2006) Evolution of the Cichlid Visual Palette through Ontogenetic Subfunctionalization of the Opsin Gene Arrays. Mol. Biol. Evol. 23(8):1538-1547. doi:10.1093/molbev/msl014

Hofmann CM, O'Quin KE, Marshall NJ, Carelton KL (2010) The relationship between lens transmission and opsin gene expression in cichlids from Lake Malawi. Vision Research 50: 357-363. doi:10.1016/j.visres.2009.12.004

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.