Rio Acre

Rio Acre – Acre River

The Acre River, also known as Rio Acre, is a major waterway in South America. The name “Acre” is derived from the local Iñapari word “Aquiry”. This river plays a crucial role in the region, both historically and economically.

Length, Origin and Destination

The Acre River has a total length of approximately 680 kilometers (420 miles). It rises in Peru and flows northeast, forming part of the border between Peru and Brazil, and later between Bolivia and Brazil. It eventually flows into the Purus River at Boca do Acre, a tributary of the Amazon.

Major Cities on the River

Some of the major cities along the Acre River include Rio Branco, the capital of the Brazilian state of Acre, and Brasiléia. Rio Branco is a commercial and distribution center known for the export of rubber, metals, medicinal plants, and other goods.

Habitat and Biodiversity

The Acre River flows through diverse ecosystems, including tropical rainforests and wetlands. These habitats are rich in biodiversity and provide shelter for numerous species of fish, plants, and other animals. The river has a characteristic black water quality, rich in tannins, which contributes to the unique chemical composition of the water.

Rivers and Destinations

The Acre River flows into the Rio Purus, which in turn is a tributary of the Amazon. This makes the Acre River an important part of the larger Amazon basin.

Popular Aquarium Fish Species

Based on the available information about the biodiversity and fish species in the Rio Acre, we can name several popular aquarium fish that can be found in this river. Here are the top five best-selling aquarium fish from Rio Acre: 1. Paracheirodon axelrodi : The Cardinal Tetra is one of the most popular aquarium fish in the world because of its vibrant colors and ease of care. This fish is common in the Rio Acre and is loved by aquarium owners.

2. Paracheirodon innesi: The Neon Tetra is another very popular aquarium fish known for its bright blue and red stripes. This species is closely related to the Cardinal Tetra and is often found in the same habitats.

3. Prionobrama filigera: Also known as the Glass Redfin Salmon, this fish is another common species in the Rio Acre. It is an attractive fish for aquariums because of its translucent body and vibrant colors.

4. Petitlela rhodostoma: The Rednose Salmon is a popular aquarium fish because of its unique appearance with a bright red head and striped tail. This species is also found in the Rio Acre and is loved by aquarium enthusiasts because of its peaceful nature and interesting swimming patterns.

5. Eigenmannia virescens: Also known as the Green Knifefish, this fish is an interesting addition to aquariums because of its unique body shape and behavior. This species is also found in the Rio Acre and is popular with aquarium enthusiasts looking for something special.

These fish are not only popular for their appearance, but also for their adaptability to different aquarium conditions, making them favorites among aquarium keepers.

3. Biotopes

The Acre River is home to several biotopes, each with unique characteristics: 1. Black Water Biotope: This biotope is characterized by water that is rich in tannins, which gives it a dark color. The bottom is often covered with leaves and organic matter, which provides a rich breeding ground for microorganisms and small fish.

2. Riparian Zones: The banks of the river are often densely vegetated with trees and shrubs that provide shade and help cool the water. These zones are crucial for the protection of young fish and other aquatic organisms.

3. Floodplains: During the rainy season, parts of the river can overflow their banks, creating temporary swamps and ponds. These areas are rich in nutrients and provide an ideal environment for the reproduction of fish and other animals.

Water parameters

The water parameters of the Acre River vary, but some measured parameters are: – Temperature: The water temperature is around 27°C.
– pH: The pH varies between 5.5 and 6.0, making the water slightly acidic.
– Transparency: The water is typically black and rich in tannins, which reduces transparency.

These water parameters are important for maintaining the unique biodiversity and health of the aquatic ecosystems in the Acre River.

Conclusion

The Acre River is a vital waterway in South America, rich in biodiversity and with a unique chemical composition. The river flows through diverse biotopes and provides shelter for many species of fish that are popular in the aquarium trade. The water parameters of the river are specific and contribute to the unique ecological characteristics of this region.

Below you will find the fish species that occur in the Rio Acre and we have added to our database.

Copyright images Kmusser – CC BY-SA 3.0