Figure 1.
Reflectance spectra for head coloration in control (black line) and experimental (grey line) shrimps. Visual aspects of selected shrimps not exposed (A) and exposed (B) to 1 mg/L of Cu during 9 days are shown in the image, in order to highlight the effect.
Figure 2.
Differences in red chroma in control and copper exposed shrimps.
Figure 3.
Differences in hue (between 500 and 700 nm) in control and copper exposed shrimps.