TROPICAL AQUARIUM FISHES 29 
tive in an aquarium and are often retained by fanciers. In their active 
movements as well as in points of conformation they make a pleasing 
contrast with the double-tailed varieties. One of the principal features 
is the dorsal fin, which should be large and carried quite erect, as de- 
scribed for the Fringetail. The body requirements are also the same. 
CHINESE TELESCOPE GOLDFISHES 
This most curious fish is either of Chinese or Korean origin, but was 
undoubtedly brought to its highest stage of development in China. The 
name correctly implies its chief peculiarity—projecting eyes. These make 
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Fic, 15. Earty STYLE CHINESE TELESCOPE 
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a very weird appearance, and almost without exception produce a shock- 
ing impression on being seen for the first time. So perverted or educated 
do our tastes later become that we find our admiration increasing in pro- 
portion to the degree of malformation attained in the fish. Telescope eyes 
vary in shape and in direction. The majority of them are spherical or 
conical. Tubular eyes are rare and highly prized, but any form is con- 
sidered good so long as they are large and stand out far from the head. 
Most telescope eyes point in the same direction as normal eyes, but some 
point forward. This is unusual. The Celestial Telescope has still more 
peculiar eye formation. This is described under its own heading. 
One point in common between all telescope goldfishes is that in the 
early weeks of life the eyes appear entirely normal. Until they actually 
