👉 Sopavub is a type of fish that is native to the Amazon region in South America. It is a small, freshwater fish with a wide range of adaptations, including its ability to live in saltwater and cope with high levels of dissolved oxygen. Sopavus benthicus is commonly known as the "river sopp" or "sopawu," due to its distinctive appearance, which includes its large body size, small head, and long, slender tail.