Table 1. Spectral characteristics of the used light sources (VIS, NIR 860 nm and NIR 960 nm) for phototactic experiment.

Light spectrum	λ(max) [nm]	measured spectral range [nm]	80% of the spectral range [nm]	Irradiance [μWatt/cm2]
VIS	460	420–680	455–645	2.49
NIR 860 nm	860	830–910	845–885	16.09
NIR 960 nm	960	890–1050	912–998	31.98