Visit https://brilliant.org/scishow/ to get started learning STEM for free. The first 200 people will get 20% off their annual premium subscription and a 30 day free trial. We began keeping goldfish as pets more than 1,000 years ago, but their beauty wasn’t the only thing they had going for them. Goldfish had a lot of really weird biological traits that made them incredibly resilient. And in an unfortunate twist, we’re now breeding away the very traits that once made them nearly invincible. Hosted by: Stefan Chin (he/him) ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: https://www.tiktok.com/@scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishowFacebook: http://www.facebook.com/scishow #SciShow #science #education #learning #complexly ---------- Sources: https://bmcgenomdata.biomedcentral.com/articles/10.1186/1471-2156-15-33 https://www.sciencedirect.com/science/article/pii/S0960982220307600 https://pubmed.ncbi.nlm.nih.gov/18344213/ https://www.sciencedirect.com/science/article/abs/pii/S0306456504001731?via%3Dihub https://www.sciencedirect.com/science/article/pii/S0166445X06001561#bib10 https://journals.biologists.com/jeb/article/150/1/295/5710/Long-term-anoxia-in-crucian-carp-changes-in-the https://journals.biologists.com/jeb/article/104/1/73/4070/Utilization-of-the-Ethanol-Pathway-in-Carp https://www.pnas.org/doi/full/10.1073/pnas.2005545117 https://wires.onlinelibrary.wiley.com/doi/full/10.1002/wdev.224 https://www.bibliovault.org/cgi-bin/DeliverADE.epl?transid=W8fwwo5w0UG15go7 https://pubmed.ncbi.nlm.nih.gov/18344213/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1178825/ https://www.nature.com/articles/s41598-017-07385-4 https://phys.org/news/2017-08-scientists-reveal-goldfish-alcohol-survive.html https://www.sciencedirect.com/science/article/abs/pii/S0306456504001731?via%3Dihub https://link.springer.com/article/10.1007/s00360-021-01402-9 https://www.sciencedirect.com/science/article/abs/pii/S0044848610000918 https://www.nationalgeographic.com/animals/article/history-of-goldfish https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7678922/#cit0042 https://sci-hub.ru/https://www.sciencedirect.com/science/article/abs/pii/0005273676900389 https://pubs.acs.org/doi/pdf/10.1021/ja01371a067 https://www.researchgate.net/publication/266028147_Thermal_Optima_and_Tolerance_in_the_Eurythermic_Goldfish_Carassius_auratus_Relationships_between_Whole-Animal_Aerobic_Capacity_and_Maximum_Heart_Rate Image Sources: http://bit.ly/3yr37Yy http://bit.ly/3YGJ2rP http://bit.ly/3YFLHlJ http://bit.ly/3ZEKso4 http://bit.ly/3JsO71x https://commons.wikimedia.org/wiki/File:Carassius_carassius_Prague_Vltava_2.jpg http://bit.ly/422eu6C https://commons.wikimedia.org/wiki/File:Photonic-crystals-cause-active-colour-change-in-chameleons-ncomms7368-s2.ogv http://bit.ly/3T8OySI http://bit.ly/3Fgu6d8 http://bit.ly/3YCE5jU http://bit.ly/3Jt1cZN https://commons.wikimedia.org/wiki/File:Samurai_goldfish_peddler.jpg http://bit.ly/3ZVLfRk http://bit.ly/400wA79 http://bit.ly/425hNu0 http://bit.ly/3T6KGlm https://www.flickr.com/photos/vintage_illustration/46705917702 https://www.rawpixel.com/image/8849738/image-vintage-public-domain-painting https://commons.wikimedia.org/wiki/File:A_painting_of_18th_Century_ships_on_the_River_Torridge.jpg http://bit.ly/3J7MtC7 http://bit.ly/3mLJB6g http://bit.ly/3T8OUsw http://bit.ly/3ZEKQD2 http://bit.ly/3mKtnuj http://bit.ly/3mHeIAa https://www.flickr.com/photos/usfwsmtnprairie/5260710899/ http://bit.ly/3l2rqcf http://bit.ly/3yNrPCJ http://bit.ly/3LiEt3R http://bit.ly/3ZVXQ6N http://bit.ly/3LgHtxI https://commons.wikimedia.org/wiki/File:FLIT_Spray_Can_1.jpg http://bit.ly/3l5hJtv http://bit.ly/3ZVMwI6 http://bit.ly/3ZVYbX7 https://commons.wikimedia.org/wiki/File:Celestial_Goldfish.jpg https://commons.wikimedia.org/wiki/File:RedTosakin.png https://sketchfab.com/3d-models/tosakin-goldfish-b2f0681c1e2145bcb0289f03ed75ea37 http://bit.ly/420wkqF https://commons.wikimedia.org/wiki/File:Goldfish_with_swim_bladder_disease.JPG https://www.gettyimages.com/detail/photo/goldfish-in-blue-water-and-air-bubbles-behind-royalty-free-image/1360705297?phrase=goldfish&adppopup=true https://www.gettyimages.com/detail/video/fish-in-the-aquarium-goldfish-black-telescope-goldfish-stock-footage/809086854?phrase=goldfish%20tank&adppopup=true