The male is definately male and a njce example to! I wouldnt rule out the female as being so just yet. What sizes are they? The 'female' in my opinion looks a little too on the lighter side to be a female. Have they been together long? As if she is 2.5" plus she should be showing darker colours. Especially with that male. However, the amount of orange on the fins and the fatter belly indicate female. I would give it a little longer.
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male kill 1 small male in the tank and hi is shaking in front off that one(female) when light is off they clear stone together but no eggs yet i have 2 more female in tank bot hi show interest to this one only and chase other 2