Talk:Vision in fishes/to do


 * Needs more sources from primary literature
 * Images, e.g. of the absorbance of light of different wavelengths in water
 * Neurobiology
 * Interface between land and water (E.g. archerfish)
 * Fish with little or no vision, e.g. in habitats with little light/turbid water e.g. deep ocean; caves; turbid water/mud
 * Reliance on other sensory systems e.g. electroreception
 * Coloured oil drops? (Which species?