351 



Distribution: India, Cochin China, Siam, Sumatra, Java 

 and Borneo. 



In rivers and brooks. 



Key to the indo-australian species of Cten ops. 



' 



1. Dorsal with 2 to 4 spines; snout shorter than eye; soft 



dorsal and anal and caudal produced Ct. vittatus p. 351. 



2. Dorsal with 5 7 spines; snout longer than eye; vertical 



fins not produced > Ct. nobilis p. 352. 



i. Ctenops vittatus (C. V.). [Fig. 91, p. 350]. 



Osphromenns vittatus Cuvier & Valenciennes, Hist. Nat. Poissons, VII. 1831, p. 387. 

 Trichopus striatus Bleeker, Verh. Batav. Genootsch. XXIII. 1850, Visschen 



Doolhofv. Kieuw. p. II. Nat. Tijdschr. Ned. Indie I. 1850, p. 106. 

 Osphromenus striatus Giinther, Cat. Brit. Mus. III. 1859 1861. p. 386. 

 Ctenops vittattis Bleeker, Atl. ichth. IX. 1877, Tab. 396, Osphrom. tab. 2, fig. 4. 



Verh. Akad. Amsterdam XIX. 1879, Mem. Poiss. pharyng. labyrinth, p. 24. 

 Ctenops vittatus Regan, Proc. Zool. Soc. London 1909, p. 776. 



D. II IV. 6 8; A. VI 11/24 28; P. 9; V.I. 5; Sq. lat. 

 ca. 28; L.tr. 13. 



Height 2 3 / 4 to about thrice in length without caudal. Head 

 of about same length, acute, rostro-frontal line concave. Dia- 

 meter of eye about 3 1 /., in head, longer than snout. End of 

 intermaxillaries far distant from orbit. Dorsal and anal spines 

 feeble, soft dorsal and anal and caudal produced into a point. 

 Ventral filament equal to head or much longer. Lateral line 

 an interrupted series of small pores. Body with 2 4 dark 

 longitudinal stripes; two from eye to base of caudal, the upper 

 one interrupted by a humeral dark spot, which may be pre- 

 ceded by a light spot; caudal, dorsal and posterior part of 

 anal sometimes darkspotted. In young specimens usually two 

 black spots on base of caudal. Length 60 mm. 



Nom. indig. : Tjupang, Sepat-anatih (Malay, Batavia), 

 Pettek (Sund.). 



Habitat: Sumatra (Palembang, Djambi !, Gunung Sahilan !, 

 Pagar alam!); Java (Batavia!, Buitenzorg!, Lebak, Tjampea, 

 Tjandjur, Bandung, Lelles) ; Borneo (Banjermasin, Sintang, 

 Sadong). - - Cochin-China, Siam. 



In brooks and rivers. 



