i have a male red devil and i was looking to make some cool fader hybrid with something. but i dont know what to cross with it and idk if he is even mature yet he is about 4 inches long and he has his V shaped toob out so i instantly know he is a he but does the tube make a difference if it is down, does that meen he is mature kinda like with mammals, testicles drop, in fish, tube drops?
