Glaucus atlanticus Forster, 1777 Maximum size: 35 mm. It has a tapering body which is flattened, and has six appendages which branch out into rayed, finger-like cerata. Meet The Blue Dragon, The World’s Most Beautiful – And Deadly – Slug. They use the poison of other creatures to defend themselves from their predators. After learning about the surprisingly deadly Glaucus atlanticus known as the blue dragon, check out some of the most bizarre ocean creatures. Glaucus Atlanticus are up to 3 cm long and weigh between 3-100 grams. It spends its life floating on the surface of the ocean. Blue dragon sea slug sightings are rare, but far from unheard of, on the shores of Australia. ; Glaucus, son of Sisyphus and a Corinthian king. 1. Very small and brightly colored there are thousands of different species that are the most unique creatures … Neither do we. Nudibranchs are like the ocean's creativity overflow. The blue glaucus (aka blue dragon, sea swallow or blue angel) is a species of brightly colored sea slug (nudibranch) found throughout the Atlantic, Pacific and Indian Oceans in temperate and tropical waters. This is so the blue on their underbelly camouflages them, in the blue color of the ocean. Glaucus atlanticus aka the sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug or blue ocean slug is a small species of blue sea slug that feeds on the venomous cnidarian, and the Portuguese Man o' War. One of the first adaptations noticed by people is the coloration. Glaucus atlanticus makes use of countershading: the blue side of their body faces upwards, blending in with the blue of the water. They are blue on their backs to help them blend in with the reflective surface of the ocean. It is silvery grey on its dorsal side and dark and pale blue ventrally. Glaucus atlanticus isn’t the bottom-feeding sea slug people are used to seeing. The Blue Dragon moves by letting the current carry it and by balling up and unballing to boost itself towards its target location. You can see in these videos Glaucus atlanticus trying to gulp in air perhaps to help the air bubble inside its stomach that keeps it afloat and upside down* (important to find its floating prey and to keep on the surface to allow its body colour counter shading to work). But just last month, a small wave of blue dragons hit the beaches of Florida — beautiful as they are, let’s hope this isn’t the start of an invasion. And if there aren’t any venomous jellies around to ingest, blue dragons will turn to cannibalism. Glaucus atlanticus can grow to be about 40-50mm and can be found all over the world in temperate to tropical waters. The silver/grey side of the sea slugs faces downwards, blending in with the sunlight reflecting on the ocean's surface when viewed facing upwards underwater. During drifting, they will use their little feet to snatch jellyfish and feast on them. Little blue creatures have been washing ashore on the coastlines of Texas. Next time the Blue Glaucus encounters a potential threat, it will deliver a sting that is exceedingly more powerful than that of the Man o'war itself. This makes predators think that it’s just another bit of water. The Smithsonian Natural History Museum: Beyond The Public View, The Three Rs Of Animal Testing: A More Humane Approach To Animal Experimentation. Lots of Glaucus sp. Unsuspecting beachgoers can sometimes find themselves on the painful end of that sting. They are not only problematic f… But what they lack in size, they make up for in ferocity and beauty. Blue sea dragons, who are also known as blue sea slugs and sea angels, are small marine gastropods that float on the surface of the ocean. In fact, it is a marine snail (phylum Mollusca, class Gastropoda), part of … It has dark blue stripes on its head. In actuality, most sea slugs are hermaphodites, allowing both slugs to produce egg strings after mating. Despite its impressive arsenal of defense tactics, the blue glaucus rarely reaches more than 3 centimeters long. Your curiosity knows no bounds. The blue glaucus is quite popular as far as sea creatures go. Then, discover the most bizarre facts about jellyfish and learn about the “baby dragons” that just hatched in Slovenia. In fact, it is rumored Glaucus atlanticus been consuming Portuguese warship called the Portuguese man-o-war. Identification: This broad, flattened aeolid is midnight blue on the ventral surface (facing upward in the photo) and silvery blue on the dorsal surface Glaucus facts and information. The little sea slug stores the poison inside its body and enhances it for future life or death occurrence. Its underside, which faces toward the sky, will appear blue from above. The most common places where the Blue Dragon can be found are the East and South Coast of South Africa, European water, the East Coast of Australia, the water of New Zealand, Big Island, Maui, Oahu, Kauai, Mozambique, and other places. Glaucus atlanticus isn’t the bottom-feeding sea slug They have a gas-filled sac inside their belly which enables them to float on the ocean's surface. These dragons, also known as blue angels and sea swallows, are technically called Glaucus atlanticus and are simply sea slugs that top out at around an inch long. The creature often floats on its backside, showing its brightly colored underbelly to airborne predators. The Blue Glaucus like to feed on the Portuguese Man of War, the By-the-wind-sailor ( Velella velella ), which is a type of jellyfish, Blue button ( Porpita porpita ), these sea dwelling animals can cause a bad sting by itself. - blue ocean slug; Glaucus Atlanticus are marine gastropod mollusks, which means they are soft, 'naked' sea snails but don't use a shell unlike most mollusks. The radula of this species bears serrated teeth. The Five Most Terrifying Prisons On The Planet, Why The Nile Runs Blood Red In Eerie New Satellite Images, What Stephen Hawking Thinks Threatens Humankind The Most, 27 Raw Images Of When Punk Ruled New York, Join The All That's Interesting Weekly Dispatch. To float, blue dragons fill their belly with air and are carried by the currents of the waves. They have rows of razor-sharp teeth and an amazingly strong jaw that allows them to rip the flesh of their prey. The feasting isn't as pretty looking as the Blue Glaucus itself. This isn’t surprising given the creature’s preference for the warmer waters of the Pacific and Indian oceans. Though she has quickly integrated herself with other operators, in the majority of situations, she prefers to listen and not speak. Are Former Soviet Member Countries More Religious Today? When the slug comes across a helpless jellyfish drifting unwittingly to its death, it snatches it by its body and pulls chunks off of its gelatinous mass with strong jaws and rows of needle-sharp teeth. Glaucus's internal evaluation is very interesting. Their silver/grey side is down so when fish look up, they blend with the surface of the water contains the story of “Glaucus and Scylla.” This tale covers Glaucus’ difficulty in pursuing the love of Scylla, a … They are not only problematic for the unsuspecting jellyfish, but also for humans. The reason is to protect themselves from predators coming from above as well as those roaming in the waters below it. It's quite extraordinary that this powerful creature that is capable of literally tearing a jellyfish to bits grows no more than a little over 1 inch (3 cm). When seen from below, the upper side appears gray to mimic the sky. The dragons drew in beachgoers, as they always do, with their strange, singular beauty. In Greek mythology, Glaucus (/ ˈ ɡ l ɔː k ə s /; Ancient Greek: Γλαῦκος, Glaûkos means "greyish blue" or "bluish green" and "glimmering") was the name of the following figures: Glaucus, a sea-god; Glaucus, one of the twelve younger Panes, offspring of Pan.He came to join Dionysus in his campaign against India. These little bright blue dragons tend to attract a crowd wherever they appear. But what they lack in size, they make up for in ferocity and beauty. The Glaucus Atlanticus were discovered by … Something Sarah-Jo Lobwein said to me today prompted me to look at my Blue Dragon photos from yesterday again. 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