Yes, a molly is a fish.
In a way
Mollys can breed with any other type of molly fish
There are many different types of fish. A "painted" Molly fish, refers to any Molly fish that has been dyed to appear as "painted" with markings.
Molly fish do not lay eggs. They are livebearers and give birth to fry fish. If there are eggs in an aquarium with Molly fish, then they belong to another fish.
Yes, molly fish do have gills.
no i have black molly if you have guppes thay will go with it and otherr fish
It seems so as my Molly flirts with them but ignores the female guppies
No
No , the parent will eat it.
A molly fish can produce over a hundred fry in a month
If there are fish small enough for the molly to swallow in the tank with them then they will most probably be eaten. They will eat their own young.