Their unique physiological adaptations let the crab harvest large clusters of bacteria that grow on the surfaces of hydrothermal vent chimneys. They spend most of their lives in the water heated by the vents, and the crabs are unable to move between vents due to the stark difference in water temperature.
I want to say susan. i appologize if it's wrong.
There are 3 words i can think of that would work. Foil, Boil, Coil
A a sign or character used to represent a tone