Range Description

This species is found on the northern coast of Australia and all around Papua New Guinea and is generally confined to areas of intertidal influence (S. Sweet pers. comm.). It is also found on islands in eastern Indonesia and western Oceania (Dryden and Ziegler 2004), and has been reported from the Bonin Islands (Philipp et al. 1999). It has been introduced to the Marshall Islands and various of the Mariana islands (Ziegler et al. 2007).