The Inhabitants of the Aquarium 121 



size. If odd shaped they reduce the value of 

 the fish. The direction of the eyes varies 

 in different fishes, in some pointing side- 

 ways, in others forward to such an extent 

 that they are in line with the mouth. In 

 all fishes the eyes should be prominent, well- 

 rounded and symmetrical. Telescope fishes 

 with the fin formation of the Fringe-tail 

 command very high prices, and are called 

 Telescope Fringe-tails. 



The Celestial Telescope Fish (Carassius atl- 

 ratus, vat. uranoscopus) is the result of con- 

 tinuous artificial breeding with the develop- 

 ment of one special organ in view. As in 

 the previous fish the eyes are of abnormal 

 size and form, but instead of being pointed 

 forward or sideways, they are placed in such 

 a position that they point straight upward. 

 Of all the peculiar freaks produced by years 

 of careful mating this is by far the strangest. 

 The body of the Celestial Telescope fish is a 

 short oval, like that of the former varieties. 

 While the tail resembles that of the Fan-tail, 



