Mumtron;3113932; said:You can't sex Gt's by facial markings, head shape, or fins. Ive seen females that had humps and males that had round fins. The most common way is to tell by their color. Females are always dark and when they're stressed theyre almost black....
watch this video! there is two females and one male in this tank! http://www.youtube.com/watch?v=PFdis09fkwk