CHAPTER X. 



SPORTING FISH OF THE PERCH FAMILY. 



THE pike-perch, called Sandra in German, 

 and " glass-eye " in the United States, be- 

 longs to the Percidcz, and is found in most of 

 the rivers and lakes of Russia, where it The 

 is caught in the spring in large quanti- Pike- 

 ties, and dried as an article of food. It (p. ca 

 has been calculated that a quantity ex- /'- 

 ceeding 45,000,000 are captured annually "" 

 in the Delta of Kuban and the Sea of Azov, 

 from which there is a .large export of the roes 

 of these fish, made into a kind of caviare, and 

 sent principally to Greece and Turkey. Oil 

 made from the fat of the fish is used on fast 

 days as a substitute for vegetable oils ; also in 

 the preparation of sturgeons' roes. Pike-perch 

 are not plentiful in the Elbe and Oder ; are un- 

 known in the Rhine and Weser ; but grow to a 

 large size in the Bothkamper lake, Schleswig- 

 Holstein, where they are said to attain (as in some 

 other European lakes) a length of 3 ft. and up- 

 wards. In outward aspects they have a strong 

 resemblance to pike, with many characteristics of 



