Half human, half fish, they live in the oceans of the world.

Fish people, ocean dwellers, scale tails

Anything from near-white to near-black. Tail colours can be anything under the sun, except for black

Everybody has a long fish tail in place of legs and gills on their cheeks, as well as webbed fingers

There are a couple of differences; scaled necks, gills on neck... Small differences such as cheekbone height, lip shape, and eye colour are common as well

Usually nothing, apart from jewelry.

They can swim incredibly fast. They can breathe underwater. They tend to have very strong tails. They have a good sense of smell.

They are unable to go on land. They are unable to breathe out of water. They tend to have very little forearm strength. They tend to be vain, proud, and naive. They have weak eyesight

Monarchy

Fish and underwater plants, with occasional berries and leaves supplied to them by other races.