By presenting to one eye a small test superimposed on a background field, and to the other eye only a similar background field of a different wavelength (arranged so that the fused percept is the test centered upon a single fused background), the color appearance of the perceived background can be changed while keeping constant the light stimulating the test eye. Measurements demonstrate that t...

Background color in aquaculture has been paid more attention due to the effect on fish growth, survival, health, and reproduction. In present study, we evaluated background preference of lined seahorse ( Hippocampus erectus ) its relationship with personality. Preference was assessed over 10 consecutive days through allowing freely choose six different colored compartments, i.e., white, red, gr...