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INDIAN FRESH-WATER FISHES. 
shape, and usually inhabit salt water, the European 
Sting fishes are armed with poisonous spines. The 
Indian Sillago is much esteemed for eating. 
Scicenidce. 
This family has several representatives, generally 
of a large size, in the Indian seas, belonging to the 
genera, Scieena, Collichthys, Corvina, etc. Some 
species, such as the Maigre, have the power of pro- 
ducing a drumming or grunting sound beneath the 
surface of the water. 
Polynemidce. 
The delicious Mangoe fish, Polynemus paradiseus, 
and P. indicus, are good examples of this family. 
The former has seven, and the latter five filiform 
appendages below the pectoral fin. 
Scombridce. The Mackerel family. 
Are well known on account of their importance as 
an article of food. They are marine fishes. The 
family includes the common Mackerel, the Tunny, the 
Albacore, the Bonito, the Pilot-fish, the Eemora or 
Sucking-fish, the John Dory, and the Coryphene, or 
dolphin of sailors. 
Carangidce. 
Are deep narrow fish, represented in Indian seas by 
the genus Caranx (containing the Cobbler-fisli), 
Equula, and others. 
Ziphiidce , or Swordfish. 
Are well known on account of their bony weapon, 
