20 



THE AQUARIUM BULLETIN 



A Youns "I/ini' )lrcil 



fancier who understands line breeding, 

 knows exactly what blood he is 

 introducing, and of the results he will 

 obtain, and it is not a haphazard 

 proposition. 



The first essential is to procure 

 fish, the parentage of which is known, 

 or if this is not possible, one must 

 establish his own particular type of 

 stock. If he starts with a single pair, 

 see that the roe is as nearly perfect in 



C. E. Visel 



s^iai)e, etc., as may be possible, and 

 rely on the bucks for coloration. The 

 original pair should not be related, 

 and if one is able to use two or more 

 |)airs, so much the better. 



All sentiment must be cast aside, 

 and every young fish which does not 

 show the desired results should be 

 disposed of immediately, to avoid 

 breeding of imperfections, coloring, 

 etc. For instance, if a certain type of 



'Miss America" — A Perfect Production of Line Breeding 



