Giant Sweetlips

Plectorhinchus albovittatus has fleshy lips which become more swollen as the fish ages. There are 6 pores on the chin but there is no central pit. The dorsal fin contains 12 or 13, typically 13 spines and 16-20 soft rays while the anal fin has 3 spines and 7 soft rays.

The adults are overall grey to grey-brown in colour on the upper body and flanks with the pectoral, pelvic, and anal fins being blackish while the lower lobe and upper tip of the caudal fin is black. The front part of the soft-rayed part of the dorsal fin is black while the spined part of the dorsal fin is dusky to black. The lower lip and the chin are white with the abdomen being silvery grey to white in colour.

The juveniles are brown in colour, paler on the lower body than the upper body, and they are marked with 3 slender white bands one down the snout, the second starting on the nape and running to the tail and the third on upper part of the dorsal fin. The spined part of the dorsal fin is pale brown or cream, with a thin dark brown margin, the soft rayed part of the dorsal fin is dark brown with a pale horizontal stripe and a thinner stripe above it, both these bands extend to the rear margin of the dorsal fin. The caudal fin is dark brown below and white above with darker tips and a dark brown band running obliquely across its upper lobe. The anal fin is dark brown with its rear rays paler. The pectoral fins vary in colour from hyaline to very light brown, the pelvic fins have sooty brown tips.

This species attains a maximum standard length of 100 cm (39 in).