[4] Pterygotrigla polyommata has a moderately deep and long body, tapering towards the caudal peduncle.

The scales are very small and cycloid and cover all of the body apart from the nape and the forward part of the belly.

The colour reddish changing to silvery below, with red to brownish blotches below both the dorsal fins.

[6] The latchet is found in sandy or muddy habitats, it is known to enter shallow estuaries in southern Tasmania.

[5] Pterygotrigla polyommata is frequently caught by trawlers and the catch is sold in fish markets, however, the flesh is not as highly regarded as that of the red gurnard (Chelidonichthys kumu).