THE VISUAL PIGMENTS OF SEVERAL SPECIES FRESHWATER FISHES:MYLOPHARYNGODON PICEUS,CTENOPHARYNGO DON IDELLUS,HYPOPHTHALMICHTHYS MOLITRIX,ARISTI CHTHYS NOBILIS AND TILAPIA MOSSAMBICA

• 青(Mylopharyngodon piceus)、草(Ctenopharyngodon idellus)、鲢(Hypophthalmichthys molitrix)、鳙(Aristichthys nobilis)和罗非鱼(Tilapia mossambica)的视色素