Fishing for Eigenmann's piranha

Serrasalmus eigenmanni is a medium-sized freshwater fish native to South American river systems, particularly within clear or turbid tropical waters. It has a deep, laterally compressed body with a silvery sheen and sharp-edged scales. Adults typically reach 6–8 inches in length and weigh up to 1 pound. The species is active, fast-swimming, and often displays solitary, alert behavior. This summary was AI generated