Hydra facts: not the mythical beast! | Animal Fact Files

The word hydra might bring up images of a multi-headed beast from Greek mythology, but it's also the name of real life animals! Hydras are hydrozoans who don't form colonies. These polyps live solitary lives which, in theory, could last forever. Yes. These animals are essentially immortal! They regenerate their body cells about once a month, so they never really grow old. They can, however, be eaten or perish under harsh conditions. Let's learn more about these amazing animals! Scientific Name: Genus - Hydra Range: cosmopolitan Size: less than an inch (2.54cm) Diet: crustaceans, fish and insect larvae Lifespan: limitless! You can learn more on: Twitter - https://twitter.com/animalfactfiles Facebook - https://facebook.com/animalfactfiles --- We always do what we can to be as accurate as possible, but we're only human; if you catch a mistake please let us know and provide a link for verification! --- All images, videos and sound effects used herein are 1) public domain, 2) used under a Creative Commons license, 3) used with the express permission of the copyright holder, or 4) used under the parameters of Fair Use law. Credits via Youtube: Max Planck Institute for Developmental Biology - https://www.youtube.com/watch?v=1DGlIEISQMA Ali Hassan Memon - https://www.youtube.com/watch?v=eg9ON6IjeY8 Credits via Flickr: Becky Boone - https://flickr.com/photos/97216967@N04/9192785544 Credits via Wiki Users: Jon Houseman - https://commons.wikimedia.org/wiki/File:Hydr1003.webm; https://commons.wikimedia.org/wiki/File:Hydr1000.webm; https://commons.wikimedia.org/wiki/File:Hydr1001.webm; https://commons.wikimedia.org/wiki/File:Hydr1005.webm; https://commons.wikimedia.org/wiki/File:Hydr1002.webm; https://commons.wikimedia.org/wiki/File:Hydr1004.webm Corvana - https://commons.wikimedia.org/wiki/File:Hydravulgaris.jpg Other attributions: Pit Schuni - https://vimeo.com/43089937 Murugadas, A., Zeeshan, M., Thamaraiselvi, K. et al. Hydra as a model organism to decipher the toxic effects of copper oxide nanorod: Eco-toxicogenomics approach. Sci Rep 6, 29663 (2016). https://doi.org/10.1038/srep29663 JayHu - https://freesound.org/people/JayHu/sounds/506103 Websites used for research collection: https://www.google.com/books/edition/Biology_of_Hydra/np9imdUTumsC https://www.google.com/books/edition/Issues_in_Genetic_Medicine_2011_Edition/MZmOjix0pFEC https://www.google.com/books/edition/Sponges_and_Other_Minor_Phyla/OZl-0O4bHSsC http://www.marinespecies.org/aphia.php?p=taxdetails&id=267491 https://www.britannica.com/topic/Hydra-Greek-mythology https://www.livescience.com/53178-hydra-may-live-forever.html https://www.britannica.com/animal/Hydra-hydrozoan-genus http://lifeinfreshwater.net/hydra http://www.devbio.biology.gatech.edu/model-organisms-for-developmental-biology/hydra https://www.tandfonline.com/doi/full/10.1080/07924259.2014.927805 https://www.ncbi.nlm.nih.gov/books/NBK9971 https://olympus.magnet.fsu.edu/micd/galleries/moviegallery/pondscum/coelenterata/hydra/index.html https://www.youtube.com/watch?v=4h-tUWjesyg https://www.youtube.com/watch?v=UqmXzKDZQBI https://www.youtube.com/watch?v=yDRS2jdv2g4 https://www.youtube.com/watch?v=nJBiEULsXAE This video is licensed under a CC BY-SA 3.0 license (https://creativecommons.org/licenses/by-sa/3.0/)*. *you can find information about all the different types of CC licenses here: https://creativecommons.org/ **changes were made to the original Transcript: alugha Click here to see more videos: https://alugha.com/AnimalFactFiles

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