I am quite sure that it`s female, I have little smaller male and it have 2" long odontones at his head and 1cm long at his "hands"..

Sorry about my wery wery bad English, I am. a young guy from finland and I haven`t learned english wery vell yet.- :oops:

Hope this helps you! Congratulations ...

I think this could be also Hypancistrus sp. L-318 from Rio Jari but I'm not sure about that.