A flat-shelled Australian turtle.
These turtles grows to a length of 1m (3.3ft).
Flatback turtles have a depressed shell, which is quite wide with turned up sides. The ridges on their backs are olive-grey in colour.
Flatback turtles are found off the north and northeastern coasts of Australia.
They inhabit the open sea but are more common in shallow coastal waters.
Flatbacks are carnivorous, feeding on sea cucumbers, prawns and other invertebrates.
While in the sea, flatback turtles tend to spend much of the day basking in the sun at the surface, sometimes with sea birds perched on their backs.
Nesting is in November and December, with mating occurring in the waters off the beach at that time. A clutch averages 50 eggs, which is larger than other turtle species. The resulting hatchlings are also larger, though as adults they will be smaller in comparison to these other species.
Flatback turtles are not listed by the IUCN.