The Inhabitants of the Aquarium 177 



The Spotted Mailed Catfish (Calliclitliys 

 pinictatus) is a native of Brazil, from which 

 country it was introduced by Mr. Eggeling. 

 It is one of the oddest and most interesting 

 of fishes. Its head and body are protected 



Fig. 82. Common or Long-jawed Catfish, Amiurus vul- 

 garis, 



by large strong scales, overlapping each 

 other in shingle fashion. Of these scales 

 each side has two rows. The barbels, four 

 in number, are rather short. As is the case 

 in the other catfish, the dorsal and pectoral 

 fins contain one strong thorn each. The 

 color on the upper part of the head and body 

 is a glossy olive green., changing to light yel- 



