59 



Distribution: Indo-australian Archipelago (Sumatra, Nias, 

 Singapore, Riouw, Singkep, Banka, Biliton, Borneo, Java, Bali, 



Fig. 25. Rasbora cephalotaenia Blkr. X ^\i* 



Lombok, Sumbawa). Eastern and southern Asia, one species 

 in Africa. 



Artificial key to the i ndo-a us trali an species 



of Rasbora. 

 A. Lateral line complete. 



I. Nine rows of scales between the lateral lines, 

 counted over the back of the middle of the caudal 

 peduncle. 



A. Pectorals shorter than head R. argyrotaenia p. 61. 



B. Pectorals equal to or longer than head . . . . R. vaillanti p. 63. 

 II. Seven rows of scales between the lateral lines, 



counted over the back of the middle of the 



caudal peduncle. 



A. Origin of dorsal before or in the middle between 



snout and hindermost caudal scales, above or 



somewhat behind origin of ventrals. 



a. Least height of caudal peduncle more than 

 twice in its length. Caudal lobes or dorsal 

 without dark patch. 



1. Head 3.7 4.1 R. taw&rensis p. 63. 



2. Head 4.5 4.6 R. leptosoma p. 65. 



b. Least height of caudal peduncle twice in 

 its length, caudal lobes and dorsal without 



dark patches. Head equal to height, 4 4.4. R. volzi p. 66. 



c. Least height of caudal peduncle less than 

 twice in its length. 



i. Caudal lobes with a black subterminal 

 band. Twelve scales between dorsal and 

 occiput R. trilineata p. 67. 



