Hi Everyone!
I just noticed a little tiny black bug-thing on my 8 week old baby girl's leg and it ran. Does that mean she has fleas?

I've never seen fleas before. I have not seen any on her brother. We've only had our puppies 4 days, and they haven't been anywhere so they must've come from the breeder.

What do I do? I looked at the PetShop near our house and all the shampoo/bath type products said not to use on puppies 12 weeks and under and so did the drop products that you put on the back of their necks. There was a Hartz flea collar that said you could put it on them at 6 weeks, but I didn't know if it would be safe. Has anyone treated their puppies this little. Romeo, the littlest one is very small, about the height of a coke can, what could I use on him (sorry I don't know his weight)? I'd appreciate any advice.