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Why Do Fish School?

You might think that fish ride the undercurrents with all their buds to avoid the hungry mouths of predators - safety in numbers, right? But, it turns out, there’s more to consider when asking why fish swim in schools. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon:   / scishow   ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Silas Emrys, Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer ---------- Looking for SciShow elsewhere on the internet? Facebook:   / scishow   Twitter:   / scishow   Tumblr:   / scishow   Instagram:   / thescishow   ---------- Sources: https://doi.org/10.1093/czoolo/58.1.116 https://doi.org/10.1577/T06-123.1 https://pubmed.ncbi.nlm.nih.gov/27655... https://doi.org/10.1038/241290a0 https://doi.org/10.1007/s00265-014-18... https://doi.org/10.1038/s41467-020-19... https://doi.org/10.1038/s41467-020-19... Image Sources: https://www.istockphoto.com/vector/sc... https://www.storyblocks.com/video/sto... https://www.istockphoto.com/vector/mi... https://www.istockphoto.com/vector/gr... https://www.istockphoto.com/photo/acq... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.storyblocks.com/video/sto... https://www.istockphoto.com/vector/ko... https://www.istockphoto.com/vector/il... https://www.nature.com/articles/s4146... - (https://creativecommons.org/licenses/...) https://www.storyblocks.com/video/sto...