Sepharai Shoal
Soft-bodied people who never left the water. They farm the shallows and tap the vents, and cannot set foot on dry land at all.
What they are good at
They live under water. Dry ground is the hostile place for them, and they build to fix that.
Begins already knowing: Hydroponics.
Playing them
Soft-bodied people who never left the water. They farm the shallows and tap the vents, and cannot set foot on dry land at all. Their population grows on its own so long as there is food and somewhere to live, which means the early game is a race to make both before the growth stops.
The opening move for any people is the same in shape and different in detail: find out what your ground actually yields, put your trained hands where they are worth most, and do not let the grid run short. Everything in the guide applies to all six.