Deep Sea Thriver

It’s like having “an elephant stand on your thumb.” That’s how deep-sea physiologist and ecologist Mackenzie Gerringer describes the pressure squeezing down on the deepest known living fish, some 8 kilometers down. For animals that live in such extreme pressures and temperatures (1° or 2° Celsius), snailfish don’t look very robust, or armored; you can actually see the brain through the skull. Jeff and Anthony dive into how the snailfish survives.