Giant clam (Tridacna maxima)

Containing taxa: Animalia » Mollusca » Bivalvia

Photoreceptors:
Receptor Opsin λmax Filter λmax Filter λ50% Recep. λmax
Green490nm490nm
Blue450nm450nm
UV360nm359nm


Opponent processes:
Description (+) Terminus (-) Terminus Mode
Luminance
Green   Photopic
Green - Blue
512nm - 472nm - 434nm
 
Green Blue Photopic
Cyan-UVA
490nm - 411nm - 359nm
 
Green UV Photopic

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Notes and References:

Cronin, T.W. & Bok M.J. (2016) Photoreception and vision in the ultraviolet. Journal of Experimental Biology 219, 2790-2801 doi:10.1242/jeb.128769

Land M.F. (2003) The spatial resolution of the pinhole eyes of giant clams (Tridacna maxima). Proc. Roy. Soc. B 270(1511):185-188. doi:10.1098/rspb.2002.2222

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



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