The Vampire Tetra, also known as the Tatauaia, is a fearsome freshwater fish native to the Amazon Basin in South America. This predatory fish is renowned for its sharp, fang-like teeth and voracious appetite, earning it the nickname "vampire" due to its aggressive feeding behavior. With a streamlined body and powerful jaws, the Vampire Tetra is capable of swiftly capturing and devouring prey, including smaller fish and even birds or mammals that venture too close to the water's edge. Due to its size and predatory nature, the Vampire Tetra is typically kept by experienced aquarists in large, species-specific tanks where it can thrive without posing a threat to other tank mates.