Does any one have red fin borleyi

[stonefly]

I have one and i am not sure about it sex. Is still kinda young, but i am not sure art what point it should stay coloring up if it is a male?

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[Elkairos]

Males tend to have a pointier anal fin, but not always a guarantee. They start coloring up at about 3.5" with males getting a blue face with color on body. Females stay looking the same as fry

 

[stonefly]

Mine is silver right now, but every now n then when i am watching its face looks really blue so that's why i am thinking out is a male

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[Fishfanboy]

Should I get guppies or multies in my 10g tank