7 of the Most Uniquely Fierce Sharks

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Sharks come in a lot of different shapes and sizes and many of them don't look like the ones you see in movies. Here are seven sharks that went down some decidedly strange evolutionary paths. Hosted by: Hank Green SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at https://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Alex Schuerch, Alex Hackman, Andrew Finley Brenan, Sam Lutfi, D.A. Noe, الخليفي سلطان, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Great whites: https://www.upi.com/Great-white-sharks-Awesome-18-ton-bites/75811218033526/ (https://zslpublications.onlinelibrary.wiley.com/doi/abs/10.1111/j.1469-7998.2008.00494.x) http://elasmo-research.org/education/topics/p_shark_speed.htm Greenland sharks: https://www.wired.com/2014/02/creature-feature-10-fun-facts-greenland-shark/ https://www.sciencemag.org/news/2016/08/greenland-shark-may-live-400-years-smashing-longevity-record — (http://science.sciencemag.org/content/353/6300/702) — (https://www.cell.com/abstract/S0092-8674(13)00072-X ) https://www.npr.org/sections/health-shots/2016/08/11/489229041/talk-about-an-ancient-mariner-greenland-shark-is-at-least-272-years-old https://www.bbc.com/news/science-environment-37047168 Thresher sharks: https://www.nationalgeographic.com/science/phenomena/2013/07/10/thresher-sharks-hunt-with-huge-weaponised-tails/ — (https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0067380 ) Sawsharks: http://elasmo-research.org/education/shark_profiles/pristiophoriformes.htm https://www.sciencemag.org/news/2015/09/sawfish-teeth-didn-t-pave-way-modern-chompers https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/ampullae-of-lorenzini https://ocean.si.edu/ocean-life/sharks-rays/sharks Goblin sharks: https://www.floridamuseum.ufl.edu/discover-fish/species-profiles/mitsukurina-owstoni/ https://www.wired.com/2013/10/absurd-creature-goblin-shark/ Wobbegongs: https://www.floridamuseum.ufl.edu/discover-fish/species-profiles/orectolobus-maculatus/ http://otlibrary.com/wobbegong-shark/ https://ocean.si.edu/ocean-life/sharks-rays/wobbegong-shark Frilled sharks: http://mentalfloss.com/article/60129/11-fascinating-facts-about-frilled-shark http://www.discovery.com/tv-shows/shark-week/types-of-shark/frilled-shark/ https://www.wired.com/2014/11/absurd-creature-week-nightmarish-shark-lures-victims-effed-teeth/?mbid=social_twitter http://marinebio.org/species.asp?id=1485 Catsharks: https://news.nationalgeographic.com/2016/04/160425-biofluorescence-glowing-catsharks-shark-eye-camera/ (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4843165/ ) ------ Images: https://tinyurl.com/ya4vle29 https://tinyurl.com/y92xfnyf https://tinyurl.com/yd4bqytd https://www.flickr.com/photos/noaaphotolib/14318817140/in/photolist-nPiFtA https://tinyurl.com/y8rzm5gy https://tinyurl.com/y9cwwont https://commons.wikimedia.org/wiki/File:Greenland_shark_profile.jpg https://tinyurl.com/ych3bbrg https://youtu.be/OA98bN7mxjw https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0067380# https://en.wikipedia.org/wiki/File:Pristiophorus_japonicus_cropped.jpg https://commons.wikimedia.org/wiki/File:Pliotrema_warreni_REGAN,_1906.jpg https://commons.wikimedia.org/wiki/File:Lorenzini_pores_on_snout_of_tiger_shark.jpg https://tinyurl.com/y866w5bt https://commons.wikimedia.org/wiki/File:Mistukurina_owstoni_museum_victoria_-_head_detail.jpg https://tinyurl.com/yb8947k6 https://www.eurekalert.org/multimedia/pub/121623.php?from=335612 https://www.eurekalert.org/multimedia/pub/121622.php?from=335612 https://tinyurl.com/y7wta3oo https://tinyurl.com/yc87mclf https://tinyurl.com/y7tnw2v5 https://tinyurl.com/yax73mf8 https://tinyurl.com/y732ld2h https://commons.wikimedia.org/wiki/File:Chlamydoselachus_anguineus2.jpg https://commons.wikimedia.org/wiki/File:Frilled_shark_head2.jpg https://commons.wikimedia.org/wiki/File:Chlamydoselachus_anguineus_(mouth_and_teeth)_by_OpenCage.jpg https://commons.wikimedia.org/wiki/File:Chlamydoselachus_anguineus_head.jpg https://tinyurl.com/ycwga77d https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4843165/ https://tinyurl.com/y8k62j46 https://youtu.be/_3-rB4HjK-Y
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