THE GOLDFISH AND ITS CULTURE. 55 



match the sizes of the fish ; should this not be possible, in case the 

 females are larger than the males, two or three males may be 

 required to mate with the females. The best age for spawners is that 

 between two and four years. 



The selection having been made, all those fish not wanted for 

 present use are returned to the winter pond. 



