19) Pelagothuria Natatrix
Source: Imgur
This is a floating sea cucumber which is unique in that it never touches the sea floor. Instead, it drifts perpetually around the ocean. This floating umbrella consists of a mouth which points upwards surrounded by a ring of oral tentacles linked pale capes reminiscent of bat wings. This beauty consumes the drifting nutrient muck that drifts through the ocean depths.