| Cormorants and anhingas live in freshwater wetlands, swamps, lakes, rivers, and estuaries. |
| Many thousands of wintering wildfowl feed and roost among the country's estuaries and salt marshes. |
| The NEP is designed to encourage local communities to take responsibility for managing their own estuaries. |
| The salmon can be raised economically only in pens along the ocean shore or in estuaries. |
| Due to their nature, the rias or estuaries contain very peculiar ecosystems which often contain important amounts of fish. |
| Although it counts as a sea fish, the lamprey goes up rivers to spawn and is indeed most often met in estuaries or the lower reaches of rivers. |
