Any Tips On Sexing Juvi Irian/new Guinea Red Rainbowfish?

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Aspiration82

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Hey everyone, been working on changing up my community and I am looking to pick up some male red rainbows soon, but they're juvis. Any tips that might help me choose the males over the females? TIA
 

Iverg1

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If well kept in a mixed school of male and female fish, you will see a constantly changing show of crimson and silver in the male Red Rainbowfish. Although female coloration is less inspiring, without a female to display to the males will be a dull dusty brow
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Red Rainbow Fish
 
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Aspiration82

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Just an update to answer my own question, in case someone else is looking for the answer in the future... Juvenile Irian Reds at around 2.5" can show reddish fins and tail as well as a red undertone along the forehead. Females don't and will appear more olive/brown with clear fins.

What I did? When at the store I was also given an uncertain answer from the salesperson. But to find the males, we put several fish in a clear bag and held them up to the light. We removed all the potential females from the bag.

My results, all juvi males that have settled in nicely and are showing a lot more red on their bodies now.
 
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