
SOME FRESHWATER AQUARIUM FISHES 

These are all abundant in the small tributary streams of the Delaware, 
and when young are difficult to identify as they all look much alike. The 
adults, however, are different and develop brilliant colors during the 

FIG. 50—Silver Fin, Notropts anacostanus 
spring or breeding season. ‘The young of almost all species of freshwater 
fishes are often called minnows. The minnows thrive best on _ boiled 
cereals and small particles of earthworms, dessicated meat, shellfish, etc. 
THE SHINER OR ROACH 
This beautiful fish, 4éramis crysoleucas, Fig. 51, may be kept in the 
aquarium and is perhaps the most hardy of all of our Minnows or Cypri- 
noid fishes. Instances of a long survival of this fish in the aquarium are 

FIG. 51 —Shiner or Roach, Abramis crysoleucas 
frequently mentioned, and, as it is of interesting habit, it will reward the 
fancier to introduce it, but not together with the finely bred goldfishes, as 
it tears their tails and fins. Its food is like that of the minnows. 
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