Yes, of course. They might even like it.
Yes.
well in the wild they feed on bloodworms and things
They are just carp and they feed like every other wild fish
Penguins are wild animals, but they can care for themselves they have a natural instinct that they know when and how to hunt for food as in Fish and Krill
You can feed a small pieces of fish food
Yes, hawks do fish for their food in the wild.
What to feed a fish is not dependant on whether it was wild caught or captive raised, you feed a fish based on whether it is a predator, omnivore or herbivore. Though wild fish will more often need fresh foods, instead of prepared. At least when first aquired.
yes you can.
Fish food
no it is not it depinds what food you feed. like if you feed it other fish it is poisonous if its not cooked thats my answer
no, wild fish must get sick if they eat fish food
fish food