PRIACANTHIDAE Priacanthus hamrur (photo by Mark Strickland) Priacanthus hamrur, 25.8 cm SL (from Iriomote I., Japan; photo by Seishi Kimura) Priacanthus hamrur (Forsskål, 1775) Crescent-tail Bigeye D X, 13-15; A III, 14-16; P1 17-20; LLp 69-77. Body deep and ovate and slender with growth and compressed. A robust spine at angle of preopercle in smaller specimens less than 100 mm SL, becoming reduced in large adults. Caudal fin truncate or somewhat concave margin with a lunate margin. Color: body red or blackish red, sometimes broad reddish bars when agitated. Size: maximum length 36 cm. Distribution: widespread in the Indo- Pacific from Indian Ocean to Australia and southern Japan and eastward to Polynesia. Remarks: occurring usually in shallow reef and rocky waters to a few meters to 50 m depth or upto 200 m.