John's snapper (Lutjanus johnii)

Containing taxa: Animalia » Chordata » Osteichthyes » Actinopterygii » Neopterygii » Teleostei » Euteleostei » Neoteleostei » Acanthomorpha » Acanthopterygii » Percomorpha » Percomorpharia » Perciformes » Percoidei » Lutjanidae

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
DoubleP567nm  567nm
DoubleA543nm  543nm
Rod495nm  495nm
SWS2a cone458nm  459nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
DoubleP
DoubleA
  Photopic
Luminance (scotopic)
Rod   Scotopic
Orange-Teal (double cones)
604nm - 560nm - 515nm
 
DoubleP DoubleA Photopic
Green-Blue
557nm - 505nm - 455nm
 
DoubleP
DoubleA
SWS2a cone Photopic

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Notes and References:

Bowmaker, J. K. (1990). Visual pigments of fishes. In The visual system of fish (pp. 81-107). Springer Netherlands.

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.