In the wide, sandy stretches of Brazil’s Araguaia River, the piraíba, South America’s largest catfish, is a cornerstone of ...

WASHINGTON, Aug 16 (Reuters) - The South American lungfish is an extraordinary creature - in some sense, a living fossil. Inhabiting slow-moving and stagnant waters in Brazil, Argentina, Peru, ...

An invasive breed of South American fish with human-like teeth and a taste for human testicles was caught and released by an 11-year-old fisherman in Oklahoma. Janna Clinton was impressed when her ...