Tardigrades can be found in the polar regions.
The Antarctic ( US English [ æntˈɑrktɪk ] , UK English [ ænˈtɑrktɪk ] or [ æntˈɑrtɪk ] and [ ænˈtɑrtɪk ] or [ ænˈɑrtɪk ] ) is a polar region , specifically the region around the Earth 's South Pole , opposite the Arctic region around the North Pole . Tardigrade . They have been found everywhere from mountaintops to the deep sea , mud volcanoes , and from tropical rain forests to the Antarctic . Tardigrades can be found throughout the world , from the Himalayas ( above 6000 m ) , to the deep sea ( below 4000 m ) and from the polar regions to the equator .