The common galaxias or inanga (Galaxias maculatus), is a species of fish from the galaxiid family that is very widespread in the Southern Hemisphere. It is a slim narrow fish with a forked tail and as an adult it lives in freshwater rivers and lakes. The common galaxias grows to a length of 40 to 120 mm, but can grow up to 180 mm. The English vernacular names used for the species also include cowfish, jollytail, common jollytail, eel gudgeon, inaka, native trout, pulangi, slippery tarki, spotted minnow and whitebait.