An international team of ichthyologists led by Dr Ralf Britz of Natural History Museum in London, UK, has described a new fish species from the Rio Negro in...
Ichthyologists have described a new genus and species of electric knifefish from the Rio Negro, the Amazonia State of Brazil.
Procerusternarchus pixuna....
An international team of ichthyologists has described a remarkable new genus and species of miniature fish from the Rio Negro, one of the best explored...