Red-headed river turtle - they are great big turtles
Six-tubercled river turtle - The Six-tubercled Amazon River Turtle or Six-tubercled River Turtle is a species of turtle in the Podocnemididae family.
Yellow-spotted river turtle - Podocnemis unifilis is a type of side-necked turtle, so called because they do not pull their heads directly into their shell, but rather bend the neck sideways to tuck the head under the rim of the shell.