Scientific Name: Hoplias aimara
Also known as Anjumara, Anjoemara and Wolf Fish, is a species of freshwater fish found in the rivers of South America. It is distributed across most of northern south America, Brazil, Colombia, Venezuela , Guyana, French Guiana, Suriname and the island of Trinidad. Often found in counter current zones of principal rivers and creeks. It is mainly an ambush predator of fish but also feeds opportunistically on other animals that fall into the water such as terrestrial invertebrates. Attacks on larger vertebrates including humans are unproven. Is active at dusk and at night. Reproduction takes place at the onset of the rainy season from December to March. Depending on the size, the female can carry around 6,000 to 60,000 eggs.