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Osedax : bone-eating worms - MBARI
Osedax. : bone-eating worms. Lacking mouths and guts, these unusual worms survive by producing a “root system” that digests the surrounding bone and releases collagen and lipids to consume. The roots produced by Osedax also house symbiotic bacteria that appear to play a crucial role in nutrition.
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Osedax - Wikipedia
Female Osedax worms have been observed spawning both in the wild and in laboratory aquaria (Rouse et al., 2009). Osedax rubiplumus can spawn hundreds of oocytes at a time. They are already fertilized when they're released from the female worm. The worms' endosymbionts, species of bacteria in the order Oceanospirillales, were not observed in the spawned oocytes, which suggests that they are acquired after the worms settle on the bones. In the adult, the bacteria are localised in the root-like structures that gro…
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Osedax: Bone-Eating Marine Worms with Dwarf Males
We describe a new genus, Osedax, and two new species of annelids with females that consume the bones of dead whales via ramifying roots. Molecular and morphological evidence revealed that Osedaxbelongs to the Siboglinidae, which includes pogonophoran and vestimentiferan worms from deep-sea vents, seeps, and anoxic basins.
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Zombie Worms Crave Bone | Smithsonian Ocean
Jun 26, 2013 · Zombie worms ( Osedax. (link is external) roseus) eat away at the bones of a dead whale that has fallen to the seafloor. (Yoshihiro Fujiwara/JAMSTEC) by Hannah Waters. Zombie worms don’t crave brains: instead they seek bones. The 1 to 3 inch (2 to 7 centimeter) Osedax worms were first discovered living in the bones of a rotting gray whale on the deep sea floor, nearly 10,000 feet (3,000 …
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An inordinate fondness for bone-eating worms - MBARI
May 07, 2018 · Once scientists knew what to look for, Osedax worms were found living on bones of dead animals in many parts of the world ocean, including the northeast and northwest Pacific, the northeast Atlantic, and the Southern Ocean. In addition to growing on whale bones, the worms have been shown to colonize the bones of fishes, sea lions, and elephant seals.
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(PDF) Osedax: Bone-Eating Marine Worms with Dwarf Males
More than 15 years ago, Osedax was described, a genus of bone-eating annelid worms (14), and has since then been investigated for its diversity and ecology and how it accesses the organic ...
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Fossil traces of the bone-eating worm Osedax in early
May 11, 2010 · The roots are connected to the main body of the worm that emerges from the bone via a circular hole on the bone surface ( 6, 9 ). Such holes and excavations in fossil bones can arguably be used to infer the presence of Osedax in the geologic past. Here we report Oligocene whale bones that show such traces.
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Do worms have bones?
Worms do not have arms, legs or bones, instead, they have a soft, often segmented body which is covered a tiny hairs or bristles that help them move along.
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What do zombie worms eat?
"Zombie" worms eat whale skeltons with bone-melting acid. A "bone worm," that excretes acid sounds like a villainous species from comic book, but this real-life mouthless and gutless creature actually lives on the ocean floor.
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How do zombie worms eat?
Zombie worms don’t eat mineral bones directly; instead, they digest fats within the bone. However, their style of “eating” is quite different from ours because they don’t have a mouth or a stomach! They secrete an acid from their skin that dissolves bone, freeing up the fat and protein trapped inside.
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Are earthworms safe to eat?
Eating an earthworm or two will not hurt anyone. In fact, they are full of protein, are a source of nourishment and food for many animals, and may provide a good deal of entertainment as documented in the popular book How to Eat Fried Worms.
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