The Blue Hamlet is an incredible iridescent blue with thin borders on its tail. This fish prefers to hover near the bottom and are not commonly found in pet stores. They make good additions to fish-only or reef tanks. Only one per tank.The hamlet is a fish of the genus Hypoplectrus. They group in the wild, and is a fish that is found mainly in coral reefs in the Caribbean Sea and the Gulf of Mexico, particularly around Florida and the Bahamas.They are a very popular choice for hobbyist saltwater aquariums, and come in a variety of colors.Hamlets are simultaneous hermaphrodites (or synchronous hermaphrodites): They have both male and female sexual organs at the same time as an adult. They do not practice self-fertilization, but when they find a mate, the pair takes turns between which one acts as the male and which acts as the female through multiple matings, usually over the course of several nights.