When Can I Tell If My Cory Is A Male Or Female? Question

Discussion in 'Swordtails' started by Samwuzhere, Apr 20, 2018.

  1. SamwuzhereNew MemberMember

    I just bought two albino Cory catfish because I wanted to breed them. The only way I know how to tell if it’s a boy and a girl is by size, but they seem kind of small. How old are they normally when they’re at the petstore
  2. SamwuzhereNew MemberMember

    Sorry i accidentally put this under swordtail
  3. FanaticFishlore VIPMember

    It's usually not too hard once they become near an inch.
    I cannot make a good estimate of how old they are at the store, because I don't know how your store imports them, and how large they are when they get there.

    Females are much wider, and chubbier around the girth, while males are long and slender.
    I have a couple males in my tank, along with some females.
  4. shutterbug13Well Known MemberMember

    I agree with @Fanatic about sexing them.
    If you are trying to breed them, it would be best to get a large group of them. That would ensure you get both males and females and they will be much more comfortable in a group rather than just a pair.

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