Tardigrade
Tardigrades have a cylindrical shape with four segments, each with two legs. Each leg has little claws. The biggest adults may reach a body length of 1.2 mm, the smallest below 0.1 mm. Freshly hatched larvae may be smaller than 0.05 mm. Tardigrades feed on plant cells by penetrating the cell wall and eating what is inside. Some tardigrades are carnivores.