Good ol' Fashion SEXING with Tilapia

  • Apr 15, 2012 · 4:00 PM
  • This location is no longer available

I am setting up a Tilapia breeding tank and have the fun task of figuring out which Tilapia are male and which are female. This will involve some red food coloring, Que-tips, and a magnifying glass. You think those airport inspectors are invasive...

This is a loose knit Meetup, I have to do this anyway to set things up, and thought there might be some of you out there who would like to learn how this is done.

Tilapia have a wonderfully strange breeding technique. After fertilization, the mother holds the eggs in her mouth and oxygenates the eggs by opening and closing her mouth. Then when the babies (fries) are born, she spits them out and they swim (but not too far) and she protects them. Then she opens her mouth and they all come home for a good nights sleeps. Then one day, unexpectedly, the door to the house doesn't open...Yikes!

I know there are females in my tanks, 'cause a whole bunch up fries popped up under my rafts a while ago after traveling through the bio-filter, clarifier, and plumbing. They are all doing fine and living in my 55-gallon aquarium in the living room. Pretty fish!


Join or login to comment.

  • alain s.

    Thank you Arturo. The Meetup was really helpful and enjoyable. I look forward to coming to more Meetups.

    April 16, 2012

  • Jeffrey G.

    As always, Arturo brings great fun and understanding to Aquaponers.
    Thansk for the knowledge Arturo!

    April 16, 2012

  • arturo.

    Great Meetup! Everyone participated and got to know one another. We isolated several females and one already had eggs in her mouth, and ultimately on her head. A Meetup worth repeating sometime soon.

    April 16, 2012

  • Sean

    I have a good camra for video will bring it for you

    April 15, 2012

  • A former member
    A former member

    I'd love to come and hopefully be helpful!

    April 14, 2012

  • arturo.

    no cost that I am aware of...

    April 10, 2012

  • Sean

    I would love to come and see your setup and how you handle the fish

    April 10, 2012

  • A former member
    A former member

    is there a $ cost involved ?

    April 10, 2012

10 went

Our Sponsors

People in this
Meetup are also in:

Imagine having a community behind you

Get started Learn more

We just grab a coffee and speak French. Some people have been coming every week for months... it creates a kind of warmth to the group.

Rafaël, started French Conversation Group

Sign up

Meetup members, Log in

By clicking "Sign up" or "Sign up using Facebook", you confirm that you accept our Terms of Service & Privacy Policy