The Inhabitants of the Aquarium 181 



fully deserves its name, as its body is longer 

 and thinner in proportion, than that of any 

 of the other catfish. The head is long and 

 pointed and bears on the upper lip two bar- 

 bels of about half the length of the body. The 

 four barbels on the lower lip, if folded back, 

 would reach the pectoral fins. The dorsal 

 fin is very high, and the caudal fin is strongly 

 bifurcated. The color of this graceful fish 

 is light brown above and a yellowish white 

 below. Two, sometimes three, dark stripes 

 run from the head toward, but not quite 

 down to the tail. This fish was introduced 

 from South America and will keep well in 

 the aquarium, not requiring any more care 

 than the previously named catfish. 



Striped Catfish (Macronis z'ittatus) . This 

 is a recent introduction from the East Indies 

 and so far rather rare in this country. It is 

 a slender, graceful fish, lively and rapid in 

 its movements. The fins are glassy trans- 

 parent and shaded with a very light gray. 

 The caudal fin is bifurcated. Four stripes 



