I have a 1 acre pond here in Ontario Canada. The pond is 16 feet in the middle and gets deep very quickly as it used to be an old quarry. The pond is very old and is full of many different types of animals. It has about four large snapping turtles. Also has many frogs crayfish minnows and tons of leeches. The reason we want to put fish in is because we want to get rid of the leechs. There Are also lots of different types of waterbugs. We want to put in rainbow trout. We do not want a pond full of fish we just want to get rid of the leeches without harming our current ecosystem. There are plenty of minnows and leeches so I think the trout will have enough to eat. How many trout should we put in? Will they eat the leeches? Will they harm the current ecosystem?

Thanks
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Adam

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