Short description - Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. Indian Ocean subspecies. S. s. laqueus greyish green with head and body covered with chocolate brown spots; in S. s. stellatus, background color is yellowish. Trailing edges of soft parts of dorsal and anal fins, perimeter of caudal fin and a saddle over the caudal peduncle are markedly paler than the rest. Silvery iris, tinted brown or green, with 10 equally spaced spots. Spines stout; pungent only in juveniles. Preopercular angle 92°-103°. Strong scales cover the cheeks. Usually midline of thorax fully scaled, but pelvic ridges sometimes without scales.
Brown-spotted spinefoot habitat
Siganus stellatus inhabits seagrass beds, seaward reefs and lagoons. It is usually found in pairs (Dorenbosch et al. 2005, Allen and Erdmann 2012). Recruitment of this species appears to be highly seasonal with sudden peaks occurring during summer (Vijay Anand and Pillai 2007). The maximum recorded length for this species is 35 cm TL (Allen and Erdmann 2012).