Facts about Seachus and design guides

Facts about Seachus:
Seachus are Pichus, Pikachus, Raichus, Pachirisus and Emolgas that represent certain seas and oceans of the world.
They live underwater, around the deepest part of the area they represent.
They can breathe thanks to gills they have hidden in fur.
In water their fur gets slimy like fish scales, so they can swim faster.
They have very good eyesight in darkness.
They have liquid form - they can turn into water when they want to. However, their form has similar percent of salt to their ocean or sea, so in foreign water they still can be seen.
They have power to heal other pokemon that live in water.
In water they get extremally good eyesight and hearing, so even when there's barely any light, they see everything like they are on the surface, and they can hear each other talking
-WIP-


Designing your Seachu
Seachus must have natural fur colour (yellow, orange, light brown, white etc, but no things like blue or pink).
They must have markings connected to water.
They must include something that makes their sea or ocean different from others.
They can have any accessories, but no full clothes like dresses. Just imagine swimming in it eue
They must have water type, second one can be either something matching their sea or simply electric.
Beside of that. BE FREE. LIKE A SEA.