Found on the continental shelf, inshore region . Apparently associated with aquatic vegetation. Has been taken by trawl at depths from 15 to 46 m, frequently found at depths of 10 m or less .
Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 11. A prominent pit present behind upper eye. Preopercular spines short, two subequal. Infraorbital ridge smooth over most eye, with a few short spines posteriorly. No dermal papillae on upper eye. Dorsal fin IX or I, VIII.: elongated.
Behavioural data for Northern rock flathead is currently being reviewed.
Marine; demersal; non-migratory; depth range ? - 46 m , usually ? - 10 m . Tropical Central Pacific: Christmas Island to northern Queensland, Gulf of Carpentaria, Darwin, Shark Bay, Australia and Port Moresby, Papua New Guinea.
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