174 Fresh Water Aquarium 



about five inches and it occurs commonly 

 in ponds from New York to the upper lake 

 regions. 



The Black-headed Catfish (Noturus iiiiurus) 

 is gray mottled with black, the top of the 

 head and the fins are dark, almost blackish. 

 It will never grow longer than four inches. 

 This is a common fish in ponds and lakes 

 from Minnesota to Louisiana. 



The Bullhead, Horned Pout, or Black Catfish 

 (Amiurus cat us) is of a dark yellowish 

 brown color which often varies to almost 

 black. This is a common fish in the streams 

 of the north and east and, if small, is well 

 adapted for the aquarium. 



The Black Catfish {Amiurus ercbennus) , as 

 its name indicates, is very dark, almost black 

 on the back, the belly is of a lighter yellowish 

 tint, and the barbels and fins are black. The 

 body is rather long and slender, and some- 

 what compressed; the head is long. The 

 dorsal fin is of unusual height, with a long 

 spine, and the pectoral spines are also very 



