You can certainly be excused for not recognizing the red-tipped organisms in this photo. They weren’t even discovered until 1977. Called tube worms, they live on the deep ocean floor, thousands of met...You can certainly be excused for not recognizing the red-tipped organisms in this photo. They weren’t even discovered until 1977. Called tube worms, they live on the deep ocean floor, thousands of meters below the water’s surface.