Hi I'm new on here, can anyone help me on here sex young green terrors, I think in a tank the shop has 1 male and 3 females, the male hasn't a hump yet but has the dorsal fin and the thick orange line in tail and dorsal, the so called females are smaller not acting as dominant and have no long dorsal fin but have two white stripes either side of a dark patch on the side, they are all 4 inches long. ???