To appreciate the Blue Dragon’s defence we need to first understand the defence of the creatures that it feeds on, the Man of war, one of the oceans creatures with one of the most painful and deadly stings, uses cnidocytes that are, cells that shoot off threadlike, often toxic, tubule inside the cnidocyst. To appreciate the Blue Dragon’s defence we need to first understand the defence of the creatures that it feeds on, the Man of war, one of the oceans creatures with one of the most painful and deadly stings, uses cnidocytes that are cells that shoot off threadlike, often toxic, tubule inside the cnidocyst. Live Audio When the Blue Dragon eats its venomous prey they don’t completely digest them, they keep the stinging cells (nematocysts) and store them in the tips of their cerata to use as a defence tool. https://www.vichighmarine.ca/wp-content/uploads/2020/01/Blue-Dragon-1.jpg, https://www.vichighmarine.ca/wp-content/uploads/2016/10/logo-300x253.png.
They are related to snails and squid.
Although, as stated, it’s more common on the ocean’s surface.
The stunning glaucus Atlanticus, commonly called the blue dragon or blue sea slug is one of the most stunning nudibranchs in the ocean. The information listed on this site is to be used as a reference and is only our opinion/suggestion. It has a silvery grey colour on its dorsal side facing the waters below because it floats upside down to blend in with the light from the sea surface, concealing it from predators below (Loggerhead sea turtles being the only known marine predator).
These stick out from its body, allowing it to harm potential predators who may take a nibble or brush by too closely. How do you know what a Blue Dragon looks like? © 2020 All Rights Reserved. This nudibranch sub-species however, the Glaucus Atlanticus, is no doubt adored by all divers thanks to its beauty and fascinating taxonomy.
A PADI MSDT instructor, Chris graduated from university in 2016 with a degree in film and journalism. Our small, blue, friends produce eggs in long, spiral shaped egg strings that float freely in the water or stick to surfaces, but typically they lay their eggs in their prays dead carcasses. If you’ve heard of the power of the sting that the Man of War posses, this could be enough to send shivers down your spine every time you hear their name. ONC Ocean Maps When seen from below, the upper side appears gray to mimic the sky.
The blue dragon floats on its back (an air bubble in its stomach helping it maintain buoyancy), its brightly colored underbelly exposed to airborne predators. Each Wednesday, One Earth’s “Species of the Week” series highlights a relatively unknown and fascinating species to showcase the beauty, diversity, and remarkable characteristics of our shared planet Earth. The Blue Dragon is dark and pale blue on its ventral side with blue stripes on its head, they use the blue colour of the ocean to camouflage into their surroundings. Its iridescent countershading coloration helps protect it from both airborne and marine predators.
PBS Nature. Though the Blue Dragon lacks in stature it is not something to take lightly, they take on fearsome beasts of the sea, like a mighty Man of War (a strange creature that looks like a jellyfish but actually belongs to the siphonophores) and other creatures such as blue bottle jellyfish, and some Blue Dragons have even been documented to be cannibalistic, but only when faced with an injured or recently deceased fellow Blue Dragon. Predators below are thusly uninterested. It has a silvery grey colour on its dorsal side facing the waters below because it floats upside down to blend in with the light from the sea surface, concealing it from predators below (Loggerhead sea turtles being the only known marine predator). Physical Characteristics and Behavior. If you’ve ever swam in the Atlantic or Pacific ocean you have, congratulations!
The blue side of its body acts as camouflage against the backdrop of ocean waves, while the pearlized silver/grey side blends in with the bright sea surface, hiding it from predators below. Its underside, which faces toward the sky, will appear blue from above. Chris has amassed over 1500 dives around the world but his favorite location to dive is the Azores Islands in the mid-Atlantic, where he's worked for the last five seasons.
You must be wondering how more of these bad boys get made, well they are hermaphroditic, and they cannot fertilize their own eggs so there is no time to be antisocial because they must find a mate to reproduce with. So, would you like to go swimming with these beautiful blue devils? It has a flat, tapering body and 6 appendages that branch out into rayed, finger like cerata, and is only a miniscule 3 cm in length. The blue dragon stores the man o’ war’s stinging nematocysts within its own finger-like appendages, making itself equally venomous to predators. Although blue dragons live on the open ocean, they sometimes wash up onto the shore, making for a spectacular - if small - sight against the beige sand.
The Blue Sea Slug (Glaucus atlanticus) usually lives for approximately one year.
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