Guppy (Poecilia reticulata)

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

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Twin cone A   533nm
Twin cone P   533nm
DoubleP   533nm
Rod501nm  501nm
DoubleA464nm  464nm
SWS2a cone408nm  408nm
SWS1 cone359nm  364nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
DoubleP
DoubleA
Twin cone P
Twin cone A
  Photopic
Teal-Cyan (twin cones)
500nm - 0nm - 500nm
 
Twin cone P Twin cone A Photopic
Luminance (scotopic)
Rod   Scotopic
Yellow-Blue (double cones)
545nm - 499nm - 455nm
 
DoubleP DoubleA Photopic
Green-UVA
521nm - 442nm - 369nm
 
DoubleP
DoubleA
Twin cone P
Twin cone A
SWS1 cone
SWS2a cone
Photopic
Indigo-UV
421nm - 391nm - 360nm
 
SWS2a cone SWS1 cone Photopic

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Notes and References:

S.N. Archer & J.N. Lythgoe, The visual pigment basis for cone polymorphism in the guppy, Poecilia reticulata. Vision Research, Volume 30, Issue 2, 1990, Pages 225-233. ISSN 0042-6989. doi:10.1016/0042-6989(90)90038-M

Hofmann, C.M., Carleton K.L. (2009) Gene duplication and differential gene expression play an important role in the diversification of visual pigments in fish. Integrative and Comparative Biology 49(6): 630-643. doi:10.1093/icb/icp079

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.