Gender change in tetras (Silver Dollar)?

[Andyroo]

Good morning.
Gender change in marine fish is well known, but what FW sp. do this?

I have what I thought was a school of 4x male & one female SD, based on anal fin - little to no point & not much red. Now I look, and it seems there's a second female, while the red of the remaining males is enhanced, brightened.
Curious...

I also thought I was 4x female and 1x male Zamora cat, but seeing another big male this AM. Much hiding always, to can't be sure of initial.

 

[Pterophyllum sp]

No clue about tetras. With that said, I had a female SA cichlid, change sexes, and raise a batch of fry with one of her/his daughters. Talk about weird....

 

[MatteoTheEnder22]

With silver dollars some of the juveniles may have another genders coloration while young and once their older they will change to right color of their gender.

 

[Andyroo]

In tilapia farming they feed the new hatchlings on a testosterone-laced flake that pushes the balance from ~50:50 to >98% male. This allows an even & rapid growth per cohort, though that 2% wreaks havoc quickly.

 

[EntoStentor]

In tilapia farming they feed the new hatchlings on a testosterone-laced flake that pushes the balance from ~50:50 to >98% male. This allows an even & rapid growth per cohort, though that 2% wreaks havoc quickly.

Huh. That is weeird