Today I've got one more. Here are some photos.
What do you think about its sex?

krazyGeoff wrote:Hi Kaleva,
I think that they are both males.

This is a female:
See how the body shape is quite different..

OK, but what about odontodes? I think 3 y.o. males should have already grown them?

And another question about genitale papillaes. Do females have those?

OK, here are some additional pictures (click to view fill-size): Smaller one (7,5 cm SL) http://www.aijaa.com/img/t/00455/5098413.t.jpg http://www.aijaa.com/img/t/00355/5098425.t.jpg Bigger one (9 cm SL) http://www.aijaa.com/img/t/00399/5098430.t.jpg http://www.aijaa.com/img/t/00114/5098493.t.jpg

krazyGeoff wrote:So more pictures would be a great help
Thanks

OK, I can take more pictures later today.

But aren't those genitale papillaes a clear sign of males? Or females have them too?

Hi! I have bought a group of 4 adult L204 plecos and I need to determine their sex. All plecos are about 3 y.o. and 10-12 cm. Two of them are clearly males with long tail odontodes. But other two have no odontodes but it seems that they have genital papillaes (I would say the same as male's papillae ...