Tracajá (Podocnemis unifilis) is the Yellow-spotted River Turtle – one of the largest South American river turtles, It can grow up to 45 cm long and weigh up to 8 kg. Yellow spots on the side of its head give this species its common name.

Tracajás are found in tributaries and large lakes of the Amazon Basin. During flood season, they may venture into flooded forests or floodplain lakes. They feed on fruits, weeds, fish, and small invertebrates.