|Hydrographic basin:||62 802 km2|
|Max depth:||30 m|
|Full capacity:||12 500 000 m3|
|Year of construction:||1952|
- Chondrostoma polylepis
- Wels Catfish
This dam is located in the middle of the biggest river in Iberian Peninsula, the Tejo river. Last years was noticed the increasing of some exotic species which are destroying the native species, as an example, the “Siluro”. Currently some scientist’s teams are studying the impact of this new exotic species at the habitat. These studying teams introduced some gadgets in a few gatfish in order to get to know their habits and moves.