Specialisation includes mouthparts modified for siphoning, piercing, sucking and sponging. Limited evidence supports sponging or bathing feverish children with tepid water. Mouthpart morphology in the genus ranges from sponging mouthparts to mouths with rasping teeth. These liquids are taken in using sponging mouthparts (see photograph of "Calliphora"). During sponging, dolphins mainly target fish that lack swim bladders and burrow in the substrate. In Brachycera, the labellum is especially prominent and used for sponging liquid or semiliquid food. There was poor financial management, and he was imprisoned in a sponging house for debt. The housefly is the typical sponging insect. Sponging may be socially learned from mother to offspring. Sponging has only been observed in Shark Bay. Maggie returns to the family home and confronts her sponging family. Sponging is heavily sex-biased to females. For a period of years, Andros sponging was the Bahamas' largest industry. Miranda's brother, Lallo (Nando Orfei), lives with Titta's family, sponging off his brother-in-law. Sponging behavior typically begins in the second year of life.