When can you tell if a Molly is going to give birth? And what is the length of time until such happens?

Answer 1

The gestation period is 28 days
They get a really square look underneath their head just before birth, here is an example of a guppy
http://video.yahoo.com/video/play?vid=812528

Mine usually also start to swim up and down very quickly and don't eat their food anymore


hope that helps
Good luck


EB

Answer 2

when she is fat and it will take a few months.