170 
INDIAN FRESH-WATER FISHES. 
GENUS NANDUS. 
Char. Pneoperculum serrated, operculum with one 
or two spines. 
1. Nandus marmoratus. 
Hab. Throughout India. 6 inches. 
General colour pale green, with a silvery gloss, 
on which are scattered many large irregular marks 
of a dark colour, inclining to olive. 
Dorsal rays 13 + 12. Anal 3 + 7. Scales 40 
to 57. 
