Sexing a yellow lab??

[Jakepen]

Is there any simple way to do that? That black strip along the fin of a few, does that mean male? Or is that just there

 

[HUKIT]

Is there any simple way to do that? That black strip along the fin of a few, does that mean male? Or is that just there

That's not a reliable to way sex them, venting is really the best method. It seems hard but it's actually very simple. Here is a couple of good reads with vent pictures.

http://www.fishhead.com/articles/ventsex.htm


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