The Amazon Predator term is composed of two crossword solutions, ANACONDA (8 letters) and Piranha (7 letters). Anacondas are large, non-venomous snakes found in tropical South America. They are the heaviest and one of the longest snakes in the world. Piranhas are freshwater fish found in the Amazon River basin. They are known for their sharp teeth and powerful jaws, which they use to feed on other fish and animals.