If i were plankton the part of a lake that i would mostly likely live is Limnetic.
Limnetic zone is one of the zone of the lake which is well-lit, open surface in a lake away from the shore. The other zones are the littoral zone and the profundal zones. In the Limnetic zone, the producers in it are planktonic algae, the primary producers include animals such as microscopic crustaceans and rotifers, while the secondary consumers are swimming insects and fish.