The zooplankton fauna of thirteen lakes (Lake Poyrazlar, Lake Küçük
Akgöl, Lake Taşkısığı, Lake Büyük Akgöl, Lake Acarlar, Lake Melen, Lake
Yeniçağa, Lake Abant, Lake Gölcük, Lake Karamurat, Lake Sülüklü, Lake Çubuk,
Lake Sünnet) in Western Black Sea Region was studied. Two zooplankton samples were made during
summer period 2002 and 2003 for each lake. At the end of the study, totally 107
taxa were determined; of them 69 belong to Rotifera, 25 belong to Cladocera and
13 belong to Copepoda.