Biotope 101: An authentic upper Rio Araçá biotope for Rummynose and Cardinal tetras

Jeroen Vanhooren Biotope, Uncategorised Leave a Comment

The Rio Araçá is an affluent of the Demini River, which is a tributary of the Rio Negro. The Araçá is a 390 km long blackwater river originating high up on the Serra Tapirapeco Mountain in the forests of the Guianas and flows through the Serra do Araçá, a state conservation unit near to the border between Amazonas and Roraima states.  The river is also situated in the wider area of the Yanomami Indigenous Territory, within which the indigenous Yanomami and Ye’kuana (The Canoe People) reside. In the centre of the Serra do Araca can be found the Cachoeira do El Dorado …

The Route of the Cardinal Tetra (Paracheirodon axelrodi)

Marcelo Fernandez Biotope, Fish History Leave a Comment

The route of the Cardinal Tetra One of the aquarium fish with more pages held in the books of hobbyists than Discus and Angelfish combined is the Cardinal tetra. More precisely, Paracheirodon axelrodi. These characids we could consider as the most popular tetras in the ornamental fish hobby, their distinctive color contrast and beauty makes them unique and although there are several similar tetras such as the Paracheirodon inessi (previously in the genus Hyphessobrycon) or P. simulans, they do not possess the elegance of that of the King of the tetras. Such is the importance of this characid, whole families …