It does look like a blue spotted spinefoot
Max. size: 28.0 cm
Diagnosis: Dorsal spines (total): 13-13; Dorsal soft rays (total): 10-10; Anal spines: 7-7; Anal soft rays: 9-9; Vertebrae: 13-13. Head, body & fins orange-yellow; pale blue ocelli with darker blue margins on head, thorax & sides; spots about pinhead size, larger & more crowded on head, sometimes smaller on sides; ocelli may extend onto bases of dorsal & anal fins, and on bases of outer rays of caudal fin. Very small juveniles (up to 50 mm SL) may have vertical blue lines on side, fragmenting into the ocelli with increase in size. Orbit with a diffused-edged dark, triangular smudge; orange-brown iris Fin spines stout, pungent & venomous. Midline of thorax & ridges fully scaled.
Biology: Occurs in coral-rich areas of lagoons. Juveniles found in small schools in shallow seagrass beds and reefs; often found among Acropora corals. Adults usually in pairs on shallow coral reefs and feed on benthic algae. A food fish that is occasionally poisonous
Ah like Bang said if you don't want it I believe I could find a good home for it as well, never seen one of those around my neck of the woods.
Thomas