THE THREE AQUATIC ECOSYSTEMS
Freshwater Puffer (Tetraodon mbu)
Freshwater Stingray (Potamotrygon humerosa)
Freshwater Barracuda (Ctenolucius hujeta)
it makes a great fishing ground. Mangroves are important because they are breeding grounds for many fish and act as a natural defense against hurricanes and tsunamis. There are also a few lakes and seas that are brackish water due to freshwater from land mixing with saltwater such as the Baltic sea.