I just bought 2 red terrors i planned to grow out and see witch was a female and i had them in my 55 with my gts and red devil and cons one was killed by the red devil any way i was wondering on how to sex these guys better problem is its only one inch but very colorful compared to others ive seen at this size has blue irredesent speck is the dorsal and tail fin but the dorsal fin is turing black at the very tip any thoughts