It has been recorded from the east and south coasts of South Africa, European waters, the east coast of Australia, and Mozambique. Like most small marine invertebrates, little is known about the conservation status of the blue glaucus, especially given the species’ pelagic lifestyle in the open ocean. The Blue Dragon Sea Slug is very, very lucky on another front. This is in line with the known habitat characteristics of the species: they live in warm temperate climates in the Southern Pacific, and in circumtropical and Lusitanian environments. This species looks similar to, and is closely related to, Glaucus marginatus, which is now understood to be not one species, but a cryptic species complex of four separate species that live in the Indian Ocean and Pacific Ocean. Blue dragons (Glaucus atlanticus) are a species of nudibranch sea slug found in most tropical and temperate oceans around the globe. But the 'blue dragon" is quite real. "First record of the blue sea slug (Glaucus atlanticus) from Andhra Pradesh – India", "A review on the diversity and distribution of opisthobranch gastropods from Peru, with the addition of three new records", "Diver finds 'blue dragons' at Spittal Pond", "First record of the blue sea slug (Glaucus atlanticus) from Andhra Pradesh–India", "Rare blue dragons are washing up on the Padre Island National Seashore", "Aquatic antagonists: Indirect nematocyst envenomation and acute allergic contact dermatitis due to nudibranchs", "On the occurrence and ecology of Glaucus atlanticus Forster, 1777 (Mollusca: Nudibranchia) along the Southwestern Atlantic coast", "Systematics of Pelagic Aeolid Nudibranchs of the Family Glaucidae (Mollusca, Gastropoda)", "Blue Sea slug: Glaucus Atlanticus, Gold Coast, Australia", https://en.wikipedia.org/w/index.php?title=Glaucus_atlanticus&oldid=998270951, Wikipedia pending changes protected pages, Articles with dead external links from January 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 4 January 2021, at 16:22. The slugs are silvery grey on their bellies to help them blend in with the surface when observed from below. [6] Studies have indicated that the G. atlanticus is not globally panmictic but is localized within ocean basins. ; They are blue on their backs to … American Malacological Bulletin, vol. The eggs are white and are in strings up to 17.5 mm long. Specifically though, Atlantic, Pacific and Indian oceans. This ornate creature rarely grows larger than three centimeters long, or just over one inch. These Sea Slugs are pelagic, which means they float upside down. “The first public record of the blue dragon was in 1705. The Blue Glaucus lives in temperate and tropical waters. The blue dragon (Glaucus atlanticus) is a type of mollusk, or sea slug, known as a nudibranch. Sure it can, but if its wild biology is anything to go by, it needs a pretty special aquarium. The Sea Swallow’s average size is 1.2 inches or 3 cm long. [10] The blue coloration is also thought to reflect harmful UV sunlight. The blue and gray on the body create a phenomenon known as counter shading. Blue Ocean Slugs live in the Atlantic, Pacific and Indian Oceans in warm tropical waters. Gene flow among Afro-Eurasian and American populations is thus hindered by physical obstructions and water temperatures in the Arctic and Southern Oceans. [6] Unlike most nudibranchs, which mate with their right sides facing, sea swallows mate with ventral sides facing. LIFESTYLE. An individual cannot fertilize its own eggs, however, and pairs still must mate. 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. The blue sea slug is roughly 3 centimeters long and appears to … This species looks similar to, and is closely related to, Glaucus marginatus, which is now understood to be not one species, but a cryptic species complex of four separate species that live in the Indian Ocean and Pacific Ocean. The blue gaucus, like all nudibranchs, is hermaphroditic — each individual produces both eggs and sperm. Long, spiral-shaped eggs are produced by both male and female, and often float freely in the water or stick to nearby surfaces. While most nudibranchs enjoy spending time … The bright blue color acts as camouflage against the backdrop of ocean waves while the animal’s grayish backside blends with the bright sea surface, concealing it from predators below. This nudibranch is pelagic, and is distributed throughout the world's oceans, in temperate and tropical waters. Blue Sky’s share price opened at A$8.40 on resumption of trading on Wednesday, down from A$10.40 at the previous close, and closed at A$8.47 after a fall to a low of A$7.51 during morning trading. Despite its impressive arsenal of defense tactics, the blue glaucus rarely reaches more than 3 centimeters long. [16] They are known to prey on the dangerously venomous Portuguese man o' war (Physalia physalis); the by-the-wind-sailor (Velella velella); the blue button (Porpita porpita); and the violet snail, Janthina janthina. http://ow.ly/HoEaH, Cephalopods, Crustaceans, & Other Shellfish, Fishing pressure can surge before marine reserves are created, new study finds, Ted Danson and Katharine McPhee Headline Oceana's SeaChange Summer Party, Oceana Celebrates Belize's Removal from UNESCO's Sites in Danger List, Fishery council safeguards 16,000 square miles off California, More than 362,000 Square Miles of Fragile Seafloor Habitats Protected from Destructive Bottom Trawling off U.S. Pacific Coast. [11], Since the middle of the 19th century, records of this species have been reported on the Azores.[5]. Sign up today to get weekly updates and action alerts from Oceana. 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. The Blue Sea Slug, also known as the Blue Ocean Slug, Blue Glaucus, Sea Swallow, Sea Lizard and Sea Dragon, not to mention Glaucus atlanticus. The blue dragon (Glaucus atlanticus) is a type of mollusk known as a nudibranch. Glaucus atlanticus, the Blue Dragon by Taro Taylor. Divers and swimmers give it great respect and stay clear. At maturity Glaucus atlanticus can be up to 3 centimetres (1.2 in) in length,[4] though larger specimens have been found. Glaucus Atlanticus are hermaphrodites, which means that all slugs have male and female reproductive organs. One of the first adaptations noticed by people is the coloration. These sea slugs are pelagic; they float upside down by using the surface tension of the water to stay up, where they are carried along by the winds and ocean currents. Find the latest tracks, albums, and images from Blue Glaucus. This beautiful creature that is only about three centimeters long can live up to a year under the right conditions. Click here or below to download hands-on marine science activities for kids. Glaucus Atlanticus live a nomadic life, floating wherever the wind takes them. This coloration is an example of countershading, which helps protect it from predators that might attack from below and from above. The creature often floats on its backside, showing its brightly colored underbelly to airborne predators. It can be found on the surface of the Atlantic, Pacific, and Indian oceans in temperate and tropical waters throughout the world. This site is a great opportunity for kids and adults all ages. The blue dragons are actually inch-long sea slugs called Glaucus atlanticus They prey on Portuguese man-of-wars and absorb their stinging cells By concentrating the cells, their sting can be … The sea slugs can move toward prey or mates by using their cerata to make slow swimming movements. No, the Blue Glaucus slug can swim in any direction, especially if it is hungry. This ability provides the blue glaucus with a defense mechanism against predation. Like other sea slug species, the blue gaucus isn't venomous by itself. The Pacific blue glaucus feeds almost exclusively on bluebottles, retaining the consumed bluebottles’ stinging cells which it then uses as its own defense mechanism against predators. The upper surface is actually the foot (the underside in other slugs and snail), and this has either a blue or blue-white coloration. Blue Angel. These beautiful little nudibranch wash up occasionally on almost every shore, from Australia to Florida, Costa Rica to Hawaii. [18], Like almost all heterobranchs, blue dragons are hermaphrodites and their male reproductive organs have evolved to be especially large and hooked to avoid their partner's venomous cerata. When two Glaucus mate, both produce eggs. Find all news including political news, current affairs and news headlines online on Blue Dragon Glaucus Atlanticus today. The Blue Glaucus stores an air bubble in its … Despite its impressive appearance, it rarely grows larger than three centimeters long. 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. Source: Wikimedia Commons. Blue glaucuses eat large, venomous prey, such as the Portuguese man o’ war and the blue button jelly, and store their prey’s stinging cells in their bodies to later use against predators. [21] The symptoms that may appear after being stung are nausea, pain, vomiting, acute allergic contact dermatitis, erythema, urticarial papules, potential vesicle formation and post-inflammatory hyperpigmentation.[22]. Maximum size: 35 mm. This sea slug stores stinging nematocysts from the siphonophores within its own tissues as defence against predators. [3] The G. atlanticus species geographical range increased northward by 150 km in the Gulf of California. 4. Ecology; Habitat Glaucus spend their entire lives in the open oceans and so not much is known about their habits or living conditions. Predators of the blue bottle include the sea lizards or blue sea slugs, Glaucus atlanticus and Glaucilla marginata, and the violet sea snails of the genus Janthina. Glaucus atlanticus was recently found in the Humboldt Current ecosystem in Peru in 2013, and off Andhra Pradesh in India in 2012. Due to the location of the gas sac, this species floats upside down. "Occurrence of Glaucus Atlanticus in the Midriff Islands Region, Gulf of California, Mexico". Blue Glaucus. Looks more like a Pokemon than a real animal, right? But the 'blue dragon" is quite real. 5. Wow! The blue dragon sea slug is called Glaucus atlanticus.This nudibranch is pelagic, and is distributed throughout the world's oceans, in temperate and tropical waters. When feeding on its preferred prey, Portuguese man o' wars, the blue gaucus stores the stinging nematocysts created by the prey’s notoriously long, venomous tentacles — these tentacles may average up to 30 feet long!