Water dwelling insects and insect larvae seen to turn up naturally in garden ponds as do frogs and other water loving creatures. Most fish will eat anything small enough for it to get into its mouth.
An ecosystem is a biological community of interacting organisms and their physical environment. So for example, fish who live in a pond have their own ecosystem. The pond will have the food and other animals needed such as algae, and other life that survive in a pond.
You can purchase pond fish food from a Pet Store, in the fish department. It's important to ensure that the fish food is specifically for Pond Fish as this differs from food for Tank fish. You can also buy Pond fish food from online retailers however it might be difficult to get specialist advice over the internet.
Raccoons do not live in ponds but may forage for food in a pond looking for crabs, snails, crayfish, frogs and fish. They live on land, however.
Yes
NO
Why do you live on land? Fish don't have lungs they have gills, when moving water is going through them the gills take the oxygen from the water and the fish breaths, no water = no oxygen = dead fish.
a pond
Yes.
Because fish who can't hunt for food need the pond weed .
fish,frogs,bugs,salamanders, and any other amphibian
it depends on where the pond is located. mostly fish frogs, tadpoles and algae where i live.
fish, plants, seds