Vistula Lagoon Haff" = "Fresh Lagoon". Digging a canal to connect the lagoon with the Baltic Sea is in consideration as a major EU-supported project. The canal, would re-activate the Elbląg river port. It would also free its dependence on Russia, which time and again revokes the right of passage for Polish ships through the Strait of Baltiysk as a form of pressure on Polish authorities. In October 2016 details of the project were confirmed by PiS leader, Jarosław Kaczyński. The long, 80 metres wide and 5 metres deep canal shall be completed by 2020 at an estimated cost of PLN 880
Keta Lagoon The lagoon is important in conserving several species of mangroves, crabs, shrimps and raffia plants. This lagoon holds variety of fishes from the marine environment and from rivers. It is a spawning zone for fingerlings and habitat is conducive for native fishes. With seasonal inflow of sea water, marine fishes migrate to breed in the calmer waters of the lagoon, especially the safe haven provided by the mangrove swamp section. Some of the freshwater species encountered were Oreochromis niloticus, Tilapia zillii, Hemichromis Fasciatus and H. bimaculatus. The common marine species found in the lagoon were the mojarra (Gerres melanopterus), half