Fish Facts: Royal Dottyback – Pictichromis Paccagnella November 8, 2022 by Lochlan Wagner Picture of a Royal Dottyback. Colorul little fish that is half purple and half yellow. Related Posts:Fish Facts: Dolphin Fish, Dorado, Mahi MahiFish Facts: Lemon Fish or CobiaFish Facts: Man-of-War Fish - Nomeus gronoviiFish Facts: Sarcastic Fringehead, Neoclinus blanchardiFish Facts: Southern Sennet (Sphyraena picudilla)Fish Facts: Dealfish - Trachipterus arcticus