How can you tell if a guppy is male or female?

How can you tell if a guppy is male or female?

Check the shape of the guppy's tail fin. 

The guppy's tail fin, 

or the caudal,

 can help you determine the sex of 

MALES

the guppy. Male guppies have wide,

 long caudal fins that are often brightly 

colored, with elaborate patterns.

 Female guppies will have shorter 

caudal fins that are not as wide and long 

as the males

FEMALE

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