FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 739 



Clarias teysmanni Gunther, Cat. Fish. Brit. Mus., vol. 5, p. 19, 1864 (Java; 

 Ceylon). — Day, Fishes of India, pt. 3, p. 484, 1877 (types of Clarias Ira- 

 chysoma). — Vinciguekea Adu. Mus. Stor. Nat. Civ. Genova, vol. 16, p. 164, 

 1880 (Borneo).— Day, Fauna Brit. India, vol. 1, p. 116, 1889 (copied).— 

 Vatllant, Nouv. Arch. Mus. Hist. Nat., Paris, ser, 3, vol. 5, p. 62, 1893 (Bor- 

 neo). — Weber and Beaufort, Fishes Indo-Australian Archipelago, vol. 2, 

 p. 191, 1913 (Buitenzorg, Java; Lake Toba, Sumatra; Singkep; Borneo). — 

 Hora, Journ. Nat. Hist. Soc. Siam, vol. 6, No. 2, p. 165, 1923 ,'(Nakon 

 Sritamarat). — Vinciguerra, Ann. Mus. Civ. Stor. Nat. Genova, ser. 3, vol. 10, 

 p. 610, 1926 (Sarawak).— SuvATTi, Index Fish. Siam, p. 84, 1937 (Khlong 

 Phong). — Herre and Myers, Raffles Mus. Bull., No. 13, p. 66, 1937 (Singa- 

 pore; Gwnong Pulai, Johore ; River Plus near Lasah, Perak). 



Clarias bracJiysoma Gijnther, Cat. Fishes British Mus., vol. 5, p. 20, 1864 (type 

 locality: Ceylon). 



Depth 7 to 8 ; head to hind end of gill opening 5% to 6 or more, 

 head to occipital process 4 to 5, width equals length. Eyes 10 to 11 

 in head to hind end of gill opening ; eye distance greater than mouth 

 width, equals postorbital part of head ; nasal barbels reach occipital 

 process, maxillary reach pectorals or surpass them, mandibulary and 

 mental much shorter; maxillary teeth in 2 contiguous quadrangular 

 patches, twice broad as long; mandibular teeth similar but hind 

 corners laterally extended; vomerine teeth in crescentic band, its 

 hind edge sometimes more or less prominent medially ; space between 

 occipital process and dorsal origin 2i/2 times in space from former to 

 snout end ; occipital fontanel conspicuously shorter than frontal fon- 

 tanel, which extends to front border of eye. Gill rakers 16, shorter 

 than gill filaments. 



D. 70 to 74; A. 60 to 63; caudal rounded, free from dorsal and 

 anal; pectoral rounded, equals or little longer than head without 

 snout, very weak short spine i^ to % of fin length, much shorter 

 than postorbital part of head to hind edge of gill opening, front 

 border little rough and rays 7 to 9 ; ventral rounded, extend on anal, 

 % of pectorals, rays 6. 



Dark, underside of head and belly lighter. Body and tail with 

 light spots, dorsally arranged in transverse rows. Median fins with 

 lighter border. Length over 200 mm. (Weber and Beaufort.) 



Ceylon, Malacca, Java, Sumatra, Borneo. 



CLARIAS LEIACANTHUS Bleeker 



Clarias leiacanthtis Bleeker, Nat. Tijds. Nederland. Indie, vol. 2, p. 430, 1851 

 (type locality: Sambas, in rivers, Borneo) ; Atlas Ichth. Ind. N^erland., vol. 

 2, p. 104, pi. (50) 98, fig. 1, 1862 (Sumatra, Banka, Nias, Borneo).— 

 Vinciguerra, Ann. Mus. Civ. Stor. Nat. Genova, ser. 3, vol. 10, p. 611, 1926 

 (Sarawak).— Fowler, Proc. Acad. Nat. Sci. Philadelphia, vol. 86, p. 87, 1934 

 (Bangkok). — Suvatti, Index Fish. Siam, p. 83, 1937 (reference). — Herre 

 and Myers, Raffles Mus. Bull., No. 13, p. 65, 1937 (Mawai District).- 

 Fowler, List Fish. Malaya, p. 247, 1938 (reference). 



Clarias liacanthus Gijntheb, Cat. Fishes British Mus., vol. 5, p. 20, 1864 

 (type). — Vinciguerra, Ann. Mus. Civ. Stor. Nat. Genova, vol. 16, p. 166, 1880 



