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 www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: 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: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: Great whites: www.upi.com/Great-white-sharks-Awesome-18-ton-bites/75811218033526/ (zslpublications.onlinelibrary.wiley.com/doi/abs/10.1111/j.1469-7998.2008.00494.x) elasmo-research.org/education/topics/p_shark_speed.htm Greenland sharks: www.wired.com/2014/02/creature-feature-10-fun-facts-greenland-shark/ www.sciencemag.org/news/2016/08/greenland-shark-may-live-400-years-smashing-longevity-record — (science.sciencemag.org/content/353/6300/702) — (www.cell.com/abstract/S0092-8674(13)00072-X ) www.npr.org/sections/health-shots/2016/08/11/489229041/talk-about-an-ancient-mariner-greenland-shark-is-at-least-272-years-old www.bbc.com/news/science-environment-37047168 Thresher sharks: www.nationalgeographic.com/science/phenomena/2013/07/10/thresher-sharks-hunt-with-huge-weaponised-tails/ — (journals.plos.org/plosone/article?id=10.1371/journal.pone.0067380 ) Sawsharks: elasmo-research.org/education/shark_profiles/pristiophoriformes.htm www.sciencemag.org/news/2015/09/sawfish-teeth-didn-t-pave-way-modern-chompers www.sciencedirect.com/topics/agricultural-and-biological-sciences/ampullae-of-lorenzini ocean.si.edu/ocean-life/sharks-rays/sharks Goblin sharks: www.floridamuseum.ufl.edu/discover-fish/species-profiles/mitsukurina-owstoni/ www.wired.com/2013/10/absurd-creature-goblin-shark/ Wobbegongs: www.floridamuseum.ufl.edu/discover-fish/species-profiles/orectolobus-maculatus/ otlibrary.com/wobbegong-shark/ ocean.si.edu/ocean-life/sharks-rays/wobbegong-shark Frilled sharks: mentalfloss.com/article/60129/11-fascinating-facts-about-frilled-shark www.discovery.com/tv-shows/shark-week/types-of-shark/frilled-shark/ www.wired.com/2014/11/absurd-creature-week-nightmarish-shark-lures-victims-effed-teeth/?mbid=social_twitter marinebio.org/species.asp?id=1485 Catsharks: news.nationalgeographic.com/2016/04/160425-biofluorescence-glowing-catsharks-shark-eye-camera/ (www.ncbi.nlm.nih.gov/pmc/articles/PMC4843165/ ) ------ Images: tinyurl.com/ya4vle29 tinyurl.com/y92xfnyf tinyurl.com/yd4bqytd www.flickr.com/photos/noaaphotolib/14318817140/in/photolist-nPiFtA tinyurl.com/y8rzm5gy tinyurl.com/y9cwwont commons.wikimedia.org/wiki/File:Greenland_shark_profile.jpg tinyurl.com/ych3bbrg youtu.be/OA98bN7mxjw journals.plos.org/plosone/article?id=10.1371/journal.pone.0067380# en.wikipedia.org/wiki/File:Pristiophorus_japonicus_cropped.jpg commons.wikimedia.org/wiki/File:Pliotrema_warreni_REGAN,_1906.jpg commons.wikimedia.org/wiki/File:Lorenzini_pores_on_snout_of_tiger_shark.jpg tinyurl.com/y866w5bt commons.wikimedia.org/wiki/File:Mistukurina_owstoni_museum_victoria_-_head_detail.jpg tinyurl.com/yb8947k6 www.eurekalert.org/multimedia/pub/121623.php?from=335612 www.eurekalert.org/multimedia/pub/121622.php?from=335612 tinyurl.com/y7wta3oo tinyurl.com/yc87mclf tinyurl.com/y7tnw2v5 tinyurl.com/yax73mf8 tinyurl.com/y732ld2h commons.wikimedia.org/wiki/File:Chlamydoselachus_anguineus2.jpg commons.wikimedia.org/wiki/File:Frilled_shark_head2.jpg commons.wikimedia.org/wiki/File:Chlamydoselachus_anguineus_(mouth_and_teeth)_by_OpenCage.jpg commons.wikimedia.org/wiki/File:Chlamydoselachus_anguineus_head.jpg tinyurl.com/ycwga77d www.ncbi.nlm.nih.gov/pmc/articles/PMC4843165/ tinyurl.com/y8k62j46 youtu.be/_3-rB4HjK-Y

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