Tardigrade are not human.
Tardigrades ( [ ˈtɑrdᵻˌgreɪd ] also known as water bears , space bears , or moss piglets ) are water-dwelling , eight-legged , segmented micro-animals . Tardigrades are one of the most resilient animals known : they can survive extreme conditions that would be rapidly fatal to nearly all other known life forms . They can go without food or water for more than 30 years , drying out to the point where they are 3 % or less water , only to rehydrate , forage , and reproduce . About 1,150 species of tardigrades have been described .