Since the 1960s, around 80% of bottom-dwelling species have disappeared from the deep waters of the North Atlantic, potentially all victims of a wrong-way migration phenomenon. SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. Hosted by: Hank Green SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- 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: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, Eric Jensen, Adam, Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Sam Lutfi, Alisa Sherbow, Jason A Saslow, Dr. Melvin Sanicas, Melida Williams ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: http://www.scishowtangents.org/ Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow ---------- Sources: https://www.nature.com/articles/s41586-019-1132-4 https://www.universityofcalifornia.edu/news/marine-animals-more-vulnerable-global-warming-those-land-study-says https://www.sealifebase.ca/summary/Nassarius-trivittatus.html https://www.nature.com/articles/s41558-020-0894-x https://www.hakaimagazine.com/news/climate-change-is-sending-some-species-the-wrong-way/ https://www.sciencedaily.com/releases/2020/09/200907112320.htm https://www.pnas.org/content/115/32/E7532 https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301246 Images: https://www.storyblocks.com/video/stock/coral-reef-under-th-ocean-full-of-corals-and-colorful-fishes-and-other-sea-life-rhhr9bqwlk5u7fooy https://www.inaturalist.org/observations/88981208 https://www.inaturalist.org/observations/25828692 https://commons.wikimedia.org/wiki/File:World_map_of_bathymetric_data_-_GEBCO_2014.jpg https://www.inaturalist.org/observations/13162046 https://www.storyblocks.com/video/stock/slow-motion-wave-crests-and-crashes-over-camera-turbulent-but-beautiful-waters-in-the-ocean-crashing-down-drowning-under-moving-water-in-the-sea-swimming-in-turquoise-flowing-waves-hecljqkn4jvotg6jd https://www.storyblocks.com/video/stock/waves-of-water-of-the-river-and-the-sea-meet-each-other-during-high-tide-and-low-tide-whirlpools-of-the-maelstrom-of-saltstraumen-nordland-norway-sofhc-da0rk4im7rky https://www.storyblocks.com/video/stock/top-down-view-of-sandy-beach-and-turquoise-sea-waves-at-shore-edge-unrecognizable-couple-walking-and-enjoying-summer-scene-sarxdnxhwkinau9an https://www.istockphoto.com/photo/starfishes-cushion-sea-star-under-the-water-gm1139773850-304756247 https://inaturalist.ca/observations/84357736 https://commons.wikimedia.org/wiki/File:Tritia_trivittata_001.jpg