Scottfree;655267; said:I used to refer to myself as a self proclaimed expert at sexing GT's even as juvies, I've always been correct because I've managed to pair many up and breed them, however, I'm a little perplexed by yours. I would say about an 85% chance it's male, however, based on the slope of its head, but at that size I males finnage is generally extended a bit more.