How Long After A Gravid Spot Before Fry?

[Jozlyn]

How long has the fish been pregnant for before you see a gravid spot?

 

[jaarus]

Hiya,
Depends on a lot.

Firstly - what type of fish?

 

[Jozlyn]

Guppy and Platy

 

[Jazzyc]

Guppy and Platy

I have 3 Guppys with Gravid Spots.... and they have had them for 3 weeks....