They weigh about 1 kg (2,2 lb.).Their body is stocky, cylindrical, with a triangular head wider than the rest of the body.
Among skinks, many blue-tongued lizards are among the largest species. Despite their relatively long bodies, their legs are short, which causes them to move slowly.
One of the longest blue-tongued lizards are Indonesian blue-tongued skink and the Irian Jaya blue tongue skink.