Fish get into lakes in different ways, they can be stocked by the DNR but one of the main ways it happens especially on larger lakes like the Great Lakes, is a boats ballasts will fill up with water then when they dump the water fish from one lake end up in the other.
yes
yes
yes fish live in lakes they live in fresh water and salt water
yes
Yes
Yes, crappie are an edible fish. They live all over the US in freshwater lakes and ponds.
Yes their are because their is because u can fish there
Yes. Ireland is an island, so it has fish in the seas all around it and also in its lakes and rivers.
yes
yes. The ocean is pretty large and there are several lakes on the face of this earth.
Lakes.
no they are saltwater fish