Certain small fish, like pearlfish, have evolved a bizarre survival strategy by taking refuge inside sea cucumbers. These fish enter through the anus, finding protection from predators within the ...

Off the coast of the Hawaiian Island of Kauai, an underwater metropolis bustles. Sea turtles glide lazily through the surf while schools of fluorescent yellow butterflyfish weave between ...

Some species of pearlfish have chosen an interesting host shelter: inside the anus of a sea cucumber. This slender, translucent and scaleless fish really takes advantage of being pencil thin. Not ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Pearlfish don't have scales ...

Sea cucumbers described as "dark maggots" have brought new life to fish farms in Hawaii. Kauaʻi Sea Farm, the Pacific American Foundation and the NOAA (National Oceanic and Atmospheric Administration) ...