The Inhabitants of the Aquarium 173 



found in the southern United States, and 

 with ordinary care lives well in the aqua- 

 rium. 



The Yellow Stone Catfish (Noturns Havus) 

 has a yellowish brown or blackish back and 

 is lighter below. The fins have a yellow 

 border, the head is rather broad and flat, 

 and the body is of an almost cylindrical 

 shape, compressed towards the tail. The 

 mouth is wide and carries a number of short 

 barbels. As long as the Noturus is small 

 it can be recommended for the aquarium, 

 as it will not then attack other fishes. It 

 is found in great numbers from Vermont to 

 Virginia. 



The Tadpole Stone Catfish (Noturus gyri- 

 nus) is pale yellowish brown. The body is 

 comparatively short and thick, but the head 

 is long. It has long thick spines in the dor- 

 sal and pectoral fins. This is a fish of some 

 value for the aquarium. Its full length is 



