sexing

...day to play that well? I don't see how he could stay up late hours drinking and sexing and be able to get up and play that well

Does anyone know how to sex discus? I know there is no sure fire way to do it but has anyone had success doing it a certain way?

i have about 10 yellow-ish guppy fry about 2 months old. How can i tell if they are male and female.. They all have fins ;.. anal i think there called are they all female.? they are like a pale yellow colour. Help Please!!!!!!

I have a mealy rosella, think its a male. I have seen a multi coloured one that I want for companionship. Are they ok M/M, F/M or F/F? How do I sex them? they are both born last year.