Appearance: Rafters generally appear as normal humans. If examined closely some have bumps on their sides and sometimes their back. These bumps swell with blood when they are underwater allowing the passage of oxygen into their blood stream. Not all Rafters are able to breathe water.
Advantage: Rafters are humans that have adapted for life on the sea. Some of them are even able to breathe water and they are actively spreading that trait among their people.
Evolution status: Evolved
Age of adulthood: Varies by area, 14 to 18 years
Lifespan: 70 years