How does paiche breathe?
Score: 5/5 (44 votes) pirarucu, (Arapaima gigas), also called arapaima or paiche, ancient, air-breathing, giant fish of Amazonian rivers and lakes. ... The pirarucu's air bladder allows the fish to breathe air. Only very young pirarucu have functional gills.Does arapaima breathe air?The arapaim...