SUCKER 



Figure 36. — A eup of muck is added to 

 keep the eggs from clumping. (Photo- 

 graph courtesy of the Minnesota De- 

 partment of Conservation.) 



Figure 37.— The fertilized eggs are trans- 

 ferred to a tub to harden. (Photo- 

 graph courtesy of the Minnesota De- 

 partment of Conservation.) 



quently, the fry can be held in the 

 jars until they are free swimming, 

 and are not put in the pond until 

 they are strong enough to search 

 for food. Because the suckers stay 

 in the jar and settle to the bottom 

 when the water is turned off, it is 

 very easy to determine the number 



Figure 38. — Hatching sucker eggs. 

 ( Photograph courtesy of the Minnesota 

 Department of Conservation.) 



on hand and the number to be used 

 in each pond. The fry can be 

 poured into a glass measure gradu- 

 ated in ounces and measured after 

 they settle. Counts made in Minne- 

 sota indicate that there are 2,720 

 5-day-old sucker fry per ounce. 

 Suckers grow rapidly in ponds. In 

 60 days they average 2.8 inches and 

 may reach a length of 3,5 inches in 

 that time. The following table 



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