21- Paralichthys albiguttus, 16 cm long, in shallow bluish-gray mottled granite pan.... Excellend simulation of the background on the entire surface except the three ocelli, which are nearly black. 22- Same specimen photographed in the granite pan....very shortly after mechanical stimulation. Note the contrast due to the enlargement of the regions around the ocelli and the appearance of numerous dark and light spots. These regions and spots were considerably more pronounced immediately after stimulation. They become less conspicuous rapidly but it usually requires several minutes for them to disappear completely. They usually also appear when the animal is feeding..