how do you tell the difference between male and female flowerhorns? i have a flowerhorn and i think it might be a red pearl, not really sure but looks like the pics i've seen of red pearls.......it has really long dorsal and anal fin streamers and seems brightly colored to me but it doesn't have a big hump on his head so i'm not sure what it is? it's like 5-6 in. long can anyone help me out?