Zrillousk - WT

Zrillousk somewhat resemble mermaids of earth-mythology. They have long streamlined bodies with elongated flippers at the end and thin arms with huge, slender, webbed hands. They can grow up to ten feet in length. They have beautiful and intricate patterns unique to individuals but with common colours and patterns found in relatives and regions.
They are amphibious and use their multiple complicated nasal organs to breathe both air and water.
For unknown reasons they are immune to most diseases.