Underwater slope in Gullmarn fjord at Sämstad, Lysekil Municipality, Sweden. Original public domain image from Wikimedia Commons
The long hairy strands of Dead Man's Rope (Chorda filum) are about 1 m (3.3 ft) high and the bottom is covered with soft blanked weed (Cladophora glomerata). Photo taken from a jetty on a clear sunny day with the blue sky reflecting on the water surface, giving the scene a blue tint. The aspect ratio on the photo is corrected vertically for the refraction of light.The photo was taken from this jetty. Original public domain image from Wikimedia Commons