The suckermouth catfish—commonly known as the pleco—is a highly adaptable freshwater species known for its ability to survive in harsh conditions! It can tolerate periods in muddy, low-oxygen environments by switching to a survival mode that involves air-breathing. Suckermouth catfish have a remarkable ability to survive for extended periods out of water, essentially entering a hibernation-like state. They can survive for months in dried mud, waiting for rain to rehydrate their environment. (Via