Female Only Offspring

[GerardK]

My guppy has been producing young for the past two weeks, as far as I can tell all the surviving fry are female, is this common

 

[donna123]

how old are the fry?
all fry look female until they mature anytime after 7 weeks.

 

[GerardK]

how old are the fry?
all fry look female until they mature anytime after 7 weeks.

Three weeks at the most.The biggest is about 3/4s of an inch

 

[lilfishie]

i think temperature has someting to do with it, is there tank heated?
i keep mine in aunheated and rarely get a male, but my sister keeps hers heated and gets more males

 

[archamfr]

unheated?

is ur room temp quite high or sumthing?

 

[lilfishie]

my room is constantly between 20-27, i keep my bettas unheated too

 

[theotheragentm]

You're going to need 1-2 months before you can tell. Livebearers do produce more offspring that are female than male. It's not even close to 1:1 from my understand and experience.

 

[archamfr]

yeh, in my experiance, with the tank at about 26-27degrees, the ratio of male to female is around 1:3/1:4.