Fish Trap To Aquarium

I had went fish trapping again last Saturday and I caught a hell lot of small fishes!!! I am not really sure if they are all the same type of fish which the website I found look exactly like a common molly.

Here's my fishes in my new aquarium!




Here's the Common Molly photo from the website on fresh water guide :)




Now My fishes are swimming wildly in my new 2 feet aquarium tank that I just bought on Sunday. I am still figuring out how to raise these fishes as the bread I had given them made the water all milky almost immediately and the fish food seem to be too big for them to "bite".

Anyone got experience on fresh water fish feeding? What is the best fish food for these fishes that does not "dirty the aquarium too quickly? :)