ARIIDAE Plicofollis nella, 28.0 cm SL (photo by Seishi Kimura) Plicofollis nella, 30.2 cm SL (from Bintan I., Indonesia; photo by Seishi Kimura) Plicofollis nella Bleeker, 1846 Shieldheaded Catfish D I, 7; A 14-17; P1 I, 11-12; P2 6; GR 4-5 + 9-10. Body elongated, compressed. Head depressed; head shield almost smooth, weakly striated; dorsomedian groove shallow and short, not reaching anteriorly to level of posterior end of eye; supraoccipital process rounded in adult. Palatal teeth granular or conical with blunt tips, on 2 pairs of patches longitudinally arranged; anterior patch small and oval; posterior patch elongate, slender. Inner gill rakes absent on the anterior 2 gill arches. Lateral line bifurcates behind caudal fin base. Color: body silvery; brownish dorsally; all fins blackish or dusky; adipose fin with a black margin. Size: maximum length 75 cm SL. Distribution: distributed in eastern Indian Ocean and West Pacific, from east coast of India to east coast of Australia, north to Philippines. Remarks: inhabits coastal waters and estuaries. Feeds mainly on sea urchins. Marketed fresh.