[15] The nematocysts are collected in specialized sacs (cnidosacs) at the tip of the animal's cerata, the thin feather-like "fingers" on its body. Starting Page (on this page) - Sea Please. With the aid of a gas-filled sac in its stomach, G. atlanticus floats at the surface. Personalized Advertising. This slug, like other Sacoglossa uses kleptoplasty, a process in which the slug absorbs chloroplasts from the algae it eats, and uses "stolen" cells to photosynthesize sugars. [9], Glaucus atlanticus was recently found in the Humboldt Current ecosystem in Peru in 2013, and off Andhra Pradesh in India in 2012. 1, 207 pp., 21 pls. [1][3] It shares the common name "Blue Dragon" with Pteraeolidia ianthina. Sea slugs release eggs into the water in ribbon-like sticky clusters which can contain thousands of eggs but usually much less. Most creatures known as sea slugs are actually gastropods, i.e. [12][dead link]. if (href.indexOf('?') Due to the location of the gas sac, this species floats upside down. Like all gastropods, they have small razor-sharp teeth, called radulas. It’s about 1 inch in size (3 cm long). [14] 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. Keep in mind that it floats with the current (pelagic movement), on its back, so its blue underbelly blends in with the water. Yes! Most sea hares have several defenses; in addition to being naturally toxic, they can eject a foul ink or secrete a viscous slime to deter predators. The Blue Dragon Sea Slug ( Glaucus Atlanticus ) spends most of its time floating upside down in warm tropical currents, waiting to prey on something. Vaughn Matthews . [19] 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.[20]. Their main habitat is in the open oceans, but periodically, they have been washed up onto a beach. 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. document.write("<"); Print. It injects a powerful venom from their wing-like appendages. Looks like you already have an account! It swallows an air bubble to keep afloat. This nudibranch is pelagic, and there is some evidence that it occurs throughout the world's oceans, in temperate and tropical waters. The fluffy white sea bunnies … [16], Like almost all heterobranchs, Glaucus is a hermaphrodite, having both male and female reproductive organs. Copyright Teresa Zubi. It’s round, and fluffy and has wiggly little ears! Favourite Add to Sea slug, nudibranch plushie - unique and original sea creature - … This list contains the names of sea slug species, but not a list of all species. // remove anchors The Blue Dragon has been spotted in the ocean waters along the coasts of South Africa, and on the east coast of Australia and Mozambique, as well as near Europe. Nudibranchs (clade Nudibranchia) are a large group of marine gastropods which have no shell at all. These little sea creatures, affectionately dubbed “sea bunnies” have recently become social media celebrities. [8] The blue coloration is also thought to reflect harmful UV sunlight. they are sea snails (marine gastropod mollusks) that over evolutionary time have either completely lost their shells, or have seemingly lost their shells due to having a greatly reduced or internal shell. [3] The G. atlanticus species geographical range increased northward by 150 km in the Gulf of California. Many have feathery structures (cerata) on the back, often in a contrasting color, which act as gills. Search. Etsy sellers promote their items through our paid advertising platform. Sariya is our resident tanning expert. "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=983899511, Wikipedia pending changes protected pages, Articles with dead external links from January 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 16 October 2020, at 22:38.
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