2 5 6 



i. Pangasius nasutus (Blkr.). 



Pseudopangasius nasutus Bleeker, Versl. Kon. Akad. Wet. Amsterdam, XV. 



1862, p. 72. All. Ichth. II. 1862, p. 76. 

 Pangasius nasiitus Gunther, Cat. Brit. Mus. V. 1864, p. 63. 



Pangasius nasutus Vaillant, Nouv. Arch. Mus. Hist. Nat. (3). V. 1893, p. 72. 

 Pangasius nasutus Volz, Rev. Suisse Zool. XII. 1904, p. 466. 



B. 9; D. II. 7; A. 2931; P. i. ii; V. 6. 



Elongate, slightly compressed. Profile behind dorsal nearly 

 straight, before dorsal elevated, sloping down in a straight 

 line to the broad prominent, rounded snout. Height below 

 dorsal about 4, at the origin of anal 4 ! / 2 5*/ 2 . Head 4, soft 

 skin covers a rugose cask. Eye about 6, behind corner of 

 mouth and above its level. Maxillary barbels originating above 

 the corner of the mouth, in a slit which is continued below 

 the eye; they extend to the base of the pectoral or not so far; 

 the mandibulary ones somewhat shorter. First ray of dorsal 

 much the longest, little shorter than head, osseous part of 

 dorsal spine conspicuously shorter, about equal to head 

 without snout, very strong, compressed, its hindborder with 

 strong teeth. Adipose fin longer than eye, above the last ! / 3 

 of the anal, which goes 4 times in length and the anterior 

 rays of which are equal to half head in height. Ventrals 

 reaching the anal or nearly so, outer rays the longer, more 

 than half of head. Pectorals equal to 3 / 4 of head, their strong, 

 flattened spine with the hindborder denticulated, conspicuously 

 shorter. Caudal deeply incised with the lobes pointed. Villiform 

 teeth in the upper jaw in a broad slightly rounded band, 

 band in the lower jaw more curved. Vomerine band of teeth 

 thrice or more than thrice broader than long, separated from 

 the oblong palatine patches. Margaritaceous, upper surface of 

 head, back and anterior part of body darkish. Fins reddish, 

 dorsal, pectorals and distal part of caudal dark. Length 900 mm. 



Nomen in dig. : Patin (Sumatra). 



Habitat: Borneo (river Barito, river Kapuas); Sumatra 

 (river Kwantan, Batu Ridial, Indragiri, Batang Hari, Djambi!). 



In rivers. 



2. Pangasius pangasius (Ham. Buch.). 



Pimelodus pangasius Hamilton Buchanan, Fishes of the Ganges, 1822, p.p. 186, 376. 

 Pangasius Buchanani Cuvier & Valenciennes, Hist. Nat. Poissons, XV. 1840, p. 45. 

 Pangasius djambal Bleeker, Nat. & Geneesk. Arch. Ned. Ind. Ill (2), 1846, 

 p. 290. All. Ichth. II. 1862, p. 73. 



