The Inhabitants of the Aquarium 129 



is almost silvery white. Both Tenches are 

 hardy and require little care. 



The Common Carp (Cyprinus carpio) and 

 its varieties are very desirable for the aqua- 

 rium until they attain a large size. There 

 is also the very interesting Mirror Carp, Cy- 



Fig. 59. Mirror Carp, Cyprinus carpio cyprinorum. 



prinus carpio cyprinorum, with the large, 

 brightly colored scales placed in an irreg- 

 ular line on its sides. Both these varieties 

 have been introduced into this country from 

 Europe and by this time they are fully ac- 

 climated and sufficiently common to make it 

 possible to secure them at a low price. 



