FISHES OF THE PHILIPPINE SEAS AND ADJACENT WATERS 359 

 Pterotolithus, new subgenus* 



Type. — Otolithus inaculatus Cuvier. 



Anal with 10 to 12 branched rays. Body soft dorsal and caudal 

 with dark blotches. 



Diagnosis. — Distinguished from subgenus Otolithes by its larger 

 anal fin and dark blotched coloration. 



OTOLITHES MACULATUS (Cuvier) 



Otolithus maculatus (Kuhl and van Hassblt) Cuvier, Hist. Nat. Poiss., vol. 5, 

 p. 64, 1830 (type locality : Batavia). — Valenciennes, Regne Animal, Cuvier, 

 Poiss., 111., pi. 27, fig. 2, 1839. — Cantor, Journ. Asiat. Soc. Bengal, vol. 18, 

 pt. 2, p. 1044, 1849 (Pinang, Malayan Peninsula, Singapore). — GtJNTHER, 

 Cat. Fish. Brit. Mus., vol. 2, p. 310, 1860 (Malay Peninsula).— Day, Proc. 

 Zool. Soc. London, p. 300, 1869 (Orissa). — Bleeker, Verh. kon. Akad. Wet. 

 Amsterdam, vol. 14, No. 4, p. 12, 1874 (Singapore, Pinang, Java, Borneo). — 

 Day, Fishes of India, pt. 2, p. 196, pi. 46, fig. 4, 1876 (Orissa; Lower Bengal). — 

 Bleeker, Atlas Ichth. Ind. N^erland., vol. 9, pi. (1)384, fig. 3, 1877.— Day, 

 Fauna Brit. India, Fishes, vol. 2, p. 127, fig. 51, 1889. — Johnstone, Fasc. 

 Malayensis, Annandale and Robinson, Zool., vol. 2, p. 293, 1903 (outside 

 Patani Bay). — Dxjncker, Mitt. Naturh. Mus. Hamburg, vol. 21, p. 154, 

 1903 (1904) (Kuala Lumpur). — Lloyd, Rec. Indian Mus., vol. 1, p. 226, 

 1907 (Akyab).— Seale, Philippine Journ. Sci., vol. 5, No. 4, p. 279, 1910 

 (Sandakan, Borneo). — Pearson, Ceylon Administr. Rep., 1914, p. E 6. — 

 Vinciguerra, Ann. Mus. Civ. Stor. Nat. Genova, ser. 3, vol. 10, p. 581, 

 1926 (Sarawak). — Hardenberg, Treubia, vol. 13, livr. 1, p. 134, 1931 

 (Rokan mouth, Sumatra). 



Otolithus bispinosus Cuvier, Hist. Nat. Poiss., vol. 5, p. 65, 1830 (type locality: 

 Rangoon). — Gunther, Cat. Fish. Brit. Mus., vol. 2, p. 310, 1860 (compiled). 



Depth 5%; head 3}^. Snout 4)^ in head from snout tip; eye 6 to 7, 

 IK to IK in snout, IK in interorbital ; maxillary reaches % in snout or 

 opposite hind eye edge, length 2^ in head from snout tip; pair of 

 long front canines in each jaw; band of upper villiform teeth with 

 outer conic curved row, below wide set, conic, pointed teeth along 

 sides of mandible; interorbital low; preopercle edge spinate in young, 

 crenulate to entire with age. 



Scales cycloid, 95 rows along above lateral line, 85 along below; 

 14 scales above, 26 below. Lateral line arched forward, straight 

 above middle of anal. 



D. IX or X, I, 30, fifth spine 2% in total head length, first ray 3; 

 A. II, 10 or 11, spines weak, second 5, first ray 2%; caudal 1^, rounded 

 to cuneate; least depth of caudal peduncle S%; pectoral IK; ventral 1^5- 



Grayish above, golden below. Five or 6 rows of black spots along 

 body and caudal fin. Other fins grayish marginally. Young with 

 body gray, fins except whitish caudal black. Reaches 405 mm. 

 (Cuvier.) 



India, Burma, Pinang, Malayan Peninsula, Singapore, East Indies. 

 According to Bleeker, reaches 420 mm. 



• From TTTep&p fln + Otolithui, with reference to the large anal. 



