The term 'WATER-BOA' is a combination of two words, 'WATER' and 'BOA, ' which refer to a type of snake. An ANACONDA is a large, non-venomous snake found in tropical South America. It is the heaviest and one of the longest snakes in the world, and is an aquatic species that lives in or near WATER. Anacondas are typically dark green in color and can grow up to 30 feet long. They are carnivorous and feed on fish, birds, and small mammals.