Did You Know? Technically the term is cloacal respiration, and it's not so much breathing as just diffusing oxygen in and carbon dioxide out, but the fact remains: when turtles hibernate, their main source of oxygen is through their butt.
What animals breathe out of their Buttholes?
Loaches, catfish, sea cucumbers and orb-weaving spiders can also use their hindgut to oxygenate to survive in emergencies. A team of Japanese scientists has shown it is possible for mammals to absorb oxygen via the anus.