thanks how long till it lays its eegs it is very big for a minnow

You probably won't know until you see little fry swimming around.

http://en.wikipedia.org/wiki/White_Clou ... ain_minnow

Heaps of info easily available on the net for sexing these fish or for any info you are looking for you can use the search button at the top right of this page. Just pop the main word in and click and it will link you to any posts relevant. As with the majority of fish, the males are more slender and colourful.

Did you read this link that I gave you last week? It tells you all you are asking.

The best way to find out how to do things is research first either by reading a book or using the internet (google works well) and then ask questions if you find too much conflicting information.

i have put a couple more minnows in with it and one is a male