DIRT.
no, wild fish must get sick if they eat fish food
No. They will eat them. They eat fish in the wild, too.
Wild fish eat little insects. They also eat algae if they're in a pond. Please improve this answer if you can, thanks:)
no
Most large fish are predatory; thus they usually eat smaller fish.
they might eat fish or something
In the wild turtles eat fish so they will probably eat your pet fish.
no. only mosquito fish do.
bugs,if wild or can get them small enough to eat for pets shrimp pellets,other smalller fish dead fish and fish food BUT question to be asked:can fish eat oranges?!?!?
Bears, eagles,
no but you can find out by google
Algae, fish fry and small insects