It is a very unreliable way of sexing but if you do not know how to probe it is the best you can do. If you want to know the difference in sex keep in mind that the males have two hemipenises in their tail so the tail has to be wider than a females tail. This first example is my female Bloodred. I pointed out where the cloaca is. As you can see right after the cloaca the tail is narrow. So 'Female'

Second pic is my female Okeetee.. A little bit louzy pic but definatly 'Female' (I have probed all of them btw)

Now here is a good 'Male' example. Look how long and thick the tail is right after the cloaca. Great example.

My female Ghost. Shot narrow tail.

My Male Snow. Again a thick and very long slow tapering tail.

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Marcel Poots (Holland)
'Where is your crown King Nothing?' James Hettfield



I have found that it's extremely hard to tail sex baby and juvenile corns...until they've matured a little, the differences aren't very distinct to my eyes.

