Dimensions 120 × 50 × 40 cm

Title Tributaries of the Parana River in Pre Delta National Park. Entre Rios. Argentina.

Volume 240L

Background Black vinyl.

Lighting Some led lamps located in a way that helps simulate the entry of sunlight between plants

Filtration Aquaclear waterfall filter 70 x 2, with biological and mechanical media.

Plants Ceratophyllum demersum. Egeria densa.

Animals 15 x Corydoras aeneus; 10 x Corydoras hastatus 20 x Hyphessobrycon eques; 1 x Bujurquina vittata; 5 x Hisonotus maculipinnis

Materials Substrate of fine river sand, with details of small-sized boulders. River stone. Natural trunks and branches. Some sunken leaves of Quercus rubra and dry fruits of Liquidambar styraciflua. Trees found near these water systems

Additional Information The aquarium has been assembled for 8 months. The objective of the aquarium is to generate the sensation of a cave generated on the shore of a stream, by surface plants, and which received the fall of trunks and branches of the trees in the surroundings of the system.
That the viewer has the feeling of seeing what is happening with aquatic diversity under a mattress of plants visible on the surface from the shores.

The Pre-Delta National Park is located in the flood valley of the Paraná River. It was created in 1992, to protect the representative environments of the Paraná River.
This national park is located in the southwest of the province of Entre Ríos, on the left bank of the Paraná River, south of the city of Diamante. It extends from 32°03'S and 60°38'W, with an area of ​​about 2,600 ha. It is bordered to the northwest by the Vapor Viejo stream, to the northeast by the La Azotea stream and a sector of ravine lands up to the La Jaula and Campo Nacional area. To the west and southwest, the limit is made up of the Saca Calzones stream and finally the Las Palometas stream. It is located on an alluvial plain produced by the accumulation of loose materials such as sand, silt and others carried by the Middle Paraná. The water courses that cross the Pre-Delta National Park, have a NW-SE direction and converge with each other, delimiting lands and forming islands of various sizes. Within the islands there are flood lagoons whose flow is related to the hydrological cycles of the Paraná River. The main watercourses are arms of the Paraná River and include the La Azotea, Las Mangas, Las Tortugas, Los Dorados, Saca Calzones, Las Palometas streams and the Vapor Viejo stream.
The fish fauna of this subregion, with around 6,000 species, is one of the richest and most varied in the world. In the Pre-Delta National Park, 11 orders, 39 families, 118 genera and 185 species of fish were recorded.

Sources:
- PNPD Fish Guide
- Biodiversity of the Pre-Delta National Park (Entre Ríos, Argentina)