Hoplias aimara, also called Anjumara, Anjoemara and Wolf Fish is a freshwater fish from the genus Erythrinidae and the family Erythrinoidea. It is mostly found in the freshwater of Suriname, South America. It feeds on smaller animals, and reportedly, humans.
The fish is capable of growing up to 39 inches long, and 88 pounds. It has been reported from many notable fisherman that this particular species is very deadly, and has caused vicious injury to divers and even people going over bridges across water, as they are said to jump out of the water and grab you.