As long as they're ready for solid food it shouldn't cause any harm (after all dogs in the wild eat fish if they can find it) and the fish oil should give their fur a healthy sheen.
ARMAGEDDON!
They die
it dies
If you only had 2 fish you only have to feed 1
feed it puppies
The good foods to feed puppies are, meat and their mum's milk.
Feed her at normal feeding times and feed her a little more than usualy, after having puppies dogs get really hungry and it takes away alot of energy to feed the puppies.
Broccoli isn't bad for puppies, but it will likely give them gas.
contact a vet immediatly. you may have to bottle-feed the puppies with special milk formula.
Unless there are 14 nipples no. Sometimes the owner will have to feed the additional puppies or another dog (or cat) that has had a recent litter.
No its not good to feed cats milk to dogs
On their bellies they will have nipples that produce milk (just like a human female) and this is how they feed their puppies until around 5 weeks old when the puppies teeth start growing in and they can eat on their own