Vistula Lagoon Vistula Lagoon The Vistula Lagoon (; or "Kaliningradskiy Zaliv"; ; ) is a brackish water lagoon on the Baltic Sea roughly 56 miles (90 km) long, 6 to 15 miles (10 to 19 km) wide, and up to 17 feet (5 m) deep, separated from Gdańsk Bay by the Vistula Spit. It is now known as the Vistula Bay or Vistula Gulf. The modern German name, "Frisches Haff", is derived from an earlier form, "Friesisches Haff". The lagoon is a mouth of a few branches of the Vistula River, notably the Nogat, and the Pregolya River. It is connected to
Pelican Lagoon Migratory Bird Agreement (CAMBA). As of 1996, Black tiger snakes were reported as being present on the islands within the lagoon. The lagoon is reported as a breeding site for the little penguin. The lagoon supports a number of marine animal species considered to be commercially valuable. These include sand crab, king scallop, queen scallop, razorfish ("Pinna bicolor"), southern calamari, flathead, King George whiting, leatherjacket, red mullet, snook, Southern Sea garfish, tommy ruff, trevally and Western Australian salmon. The lagoon is also reported as being home for a pod of bottle-nosed dolphins. The lagoon was discovered by Flinders on 4