need help with sexing caca's

[Thalassa]

Hi All,

Do any of these look like they could be male? I am only seeing female but they are still young so wanted some expert opinions.

Thanks!

 

[rasmusW]

I’m no expert but maybe the fish in picture 5, could be male. My only reference would be it has a thinner black line at the ventral fins.

-r

 

[anewbie]

What size are they ?

 

[Thalassa]

maybe an inch or 1.5?

 

[anewbie]

Probably too small to give a confirmed sex - esp at 1 inch - the domestic versions have more colouring than wild in the females and young males don't really developed their unique characteristic until they get larger.

 

[Thalassa]

I do see 2 of them hanging out and doing the thing where they fan one another with their tails. I always associate this with courtship would 2 young females do this?

 

[MacZ]

I do see 2 of them hanging out and doing the thing where they fan one another with their tails. I always associate this with courtship would 2 young females do this?

I have seen it as part of courtship and aggression. Usually before the aggression gets serious. As a way of showing "I'm too strong for you, don't even try it.".

But I'd have to watch your fish to say something clear.