Barracuda (Sphyraena helleri)

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

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Double cone MWS535nm  535nm
Rod481nm  481nm
SWS2 cone445nm  447nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance (photopic)
Double cone MWS   Photopic
Luminance (scotopic)
Rod   Scotopic
Green-Blue
539nm - 490nm - 443nm
 
Double cone MWS SWS2 cone Photopic

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Notes and References:

Wilkins L., Marshall N.J., Johnsen S., Osorio D. (2016) Modelling colour constancy in fish: implications for vision and signalling in water. Journal of Experimental Biology 2016 219: 1884-1892; doi:10.1242/jeb.139147

Siebeck U.E., Marshall N.J. (1999) Ocular media transmission of coral reef fish - can coral reef fish see ultraviolet light? Vision Research 41 (2001) 133 - 149.

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.