Photographs of the comparative materials: (A) Johnius amblycephalus NMMB-P 37066, 137.09 mm SL; (B) Johnius belangerii NMMB-P 37067, 139.37 mm SL; (C) Johnius borneensis NMMB-P 37068, 101.86 mm SL; (D) Johnius taiwanensis NMMB-P 37073, 122.62 mm SL; (E) Johnius distinctus NMMB-P 37069, 87.27 mm SL; (F) Johnius grypotus NMMB-P 23015, 140.22 mm SL; and (G) Johnius trewavasae NMMB-P 37071, 117.42 mm SL.