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INDIAN FRESH-WATER FISHES. 
GENUS SILONDIA. 
Char. Adipose fin very short. Dorsal short, with a 
spine. 
Barbels two, minute, maxillary. 
1. Silondia gangetica. 
This is a very large fish, attaining 6 feet in length, 
and sometimes termed a fresh- water shark. It is usu- 
ally found in the large rivers and estuaries. 
Char. Anal rays 40 to 46. 
Barbels short. Colour silvery. Fins stained with 
grey. 
The next group have a short anal fin, and the adi- 
pose dorsal fin well developed. 
GENUS MACRONES. 
Char. The anterior and posterior nostrils separate, 
the latter having a pair of barbels. Adipose fin 
long. 
Barbels eight. Pectoral fin with a serrated spine. 
Dorsal rays 1 + 7. 
(a) A separate interneural bony shield on the 
nape. 
1. Macrones aor. 
Had. Throughout India. 2 or 3 feet. 
Char. Anal rays 13. Maxillary barbels very long, 
extending to the caudal fin. A black spot towards 
the end of the adipose fin. 
