4 Parasites Too Creepy to Exist

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  • Published: 12 August 2019
  • Go to http://Brilliant.org/SciShow to try their Beautiful Geometry course. The first 200 subscribers get 20% off an annual Premium subscription.

    Warning! This episode is a little gross… Between 1/3 and 1/2 of all life on earth is parasitic - and here are 4 of the creepiest parasites we know about.

    Hosted by: Hank Green

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    Sources:
    https://www.otago.ac.nz/parasitegroup/PDF%20papers/Poulin2014-IJP.pdf
    https://www.researchgate.net/publication/300095919_Effect_of_the_parasitic_isopod_Anilocra_apogonae_Cymothoidae_on_the_growth_condition_reproduction_and_survival_of_cardinal_fish_Apogonidae
    https://repositories.lib.utexas.edu/handle/2152/ETD-UT-2012-08-6285
    https://www.researchgate.net/profile/Denham_Parker/publication/257377303_The_tongue-replacing_isopod_Cymothoa_borbonica_reduces_the_growth_of_largespot_pompano_Trachinotus_botla/links/0c960533d44dfbd0d1000000.pdf
    http://aquaticcommons.org/8583/1/NG_62_2003_Williams&Bunkley-Williams_Fish-parasitic_isopods.pdf
    https://www.researchgate.net/publication/319913453_First_record_of_the_snapper-choking_isopod_Cymothoa_excisa_Isopoda_Cymothoidae_parasitizing_invasive_lionfish_Pterois_volitans_Scorpaeniformes_Scorpaenidae
    http://people.oregonstate.edu/~blaustea/pdfs/JohnsonBlausteinEcoMonographs.pdf
    https://www.researchgate.net/publication/8211765_Review_of_the_Trematode_Genus_Ribeiroia_Psilostomidae_Ecology_Life_History_and_Pathogenesis_with_Special_Emphasis_on_the_Amphibian_Malformation_Problem
    https://zslpublications.onlinelibrary.wiley.com/doi/full/10.1111/jzo.12094https://www.cambridge.org/core/journals/journal-of-the-marine-biological-association-of-the-united-kingdom/article/biology-and-life-cycle-of-the-rhizocephala-cirripedia/11C2E47CABCABB175F4C49B1393BE125
    https://www.sciencedirect.com/science/article/pii/S138511011530037X
    https://nph.onlinelibrary.wiley.com/doi/pdf/10.1046/j.1469-8137.2002.00396.x
    https://www.harvardmagazine.com/2017/03/colossal-blossom
    https://bulbapedia.bulbagarden.net/wiki/Vileplume_(Pok%C3%A9mon)
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3460754/


    Image Sources:
    https://commons.wikimedia.org/wiki/File:Amphiprion_clarkii_-_Cymothoa_exigua_(28999213532).jpg
    https://commons.wikimedia.org/wiki/File:Cymothoa_exigua_parassita_Lithognathus_mormyrus.JPG

    https://commons.wikimedia.org/wiki/File:Annual_report_of_the_Game_and_Fisheries_Department_of_Ontario,_1921-34%22_(19176931660).jpg
    https://commons.wikimedia.org/wiki/File:P._regilla_with_parasite-induced_limb_malformation.png
    https://commons.wikimedia.org/wiki/File:Leucochloridium.ogv
    https://commons.wikimedia.org/wiki/File:Three-legged_frog_(Rana_temporaria)_(8137866910).jpg
    https://commons.wikimedia.org/wiki/File:Greenfrog_life_stages.svg

    https://commons.wikimedia.org/wiki/File:Sacculina_carcini.jpg
    https://www.eurekalert.org/multimedia/pub/144794.php?from=363929
    https://commons.wikimedia.org/wiki/File:Haeckel_Sacculina.jpg
    https://commons.wikimedia.org/wiki/File:Wurzelkrebs-drawing.jpg
    https://commons.wikimedia.org/wiki/File:Xantho_poressa_2009_G1.jpg

    https://commons.wikimedia.org/wiki/File:Ah,_Rafflesia!_(11967075415).jpg
    https://commons.wikimedia.org/wiki/File:Rafflesia_zollingeriana_Kds.jpg
    https://commons.wikimedia.org/wiki/File:Rafflesia-Bud_on_Liana.jpg
    https://commons.wikimedia.org/wiki/File:This_Rafflesia_is_already_showing_signs_of_wilting_(11967407133).jpg
    https://commons.wikimedia.org/wiki/File:Stamps_of_Indonesia,_029-08.jpg
    https://commons.wikimedia.org/wiki/File:Rafflesia_arnoldii_cycle.jpg

Comments • 1 380

  • SciShow
    SciShow   2 weeks back

    Go to http://Brilliant.org/SciShow to try their Beautiful Geometry course. The first 200 subscribers get 20% off an annual Premium subscription.

    • Desus Vult
      Desus Vult  6 days back

      Nice stock photo of a walleye at 1:54 (Maybe European Zander).

    • Humanity is a lost cause Self centered lunatics
      Humanity is a lost cause Self centered lunatics  1 weeks back

      Finally got around to covering parasites. Damn, you're slow. Just from the first parasite you listed, I'm already confident I've heard of every one on the list.

      I'm hardcore on science.

      Meanwhile, I'm also sure you left off the worst. Humanity.

    • Gaurav Nema
      Gaurav Nema  1 weeks back

      @Władca Wymiaru

      A disease in which abnormal cells divide uncontrollably and destroy body tissue.
      Learn more at https://g.co/kgs/Z2Uqwx

    • Władca Wymiaru
      Władca Wymiaru  1 weeks back

      @Gaurav Nema
      So WHAT it is?

    • Gaurav Nema
      Gaurav Nema  2 weeks back

      @Władca Wymiaru You must be new here. Cancer isn't a parasite.

  • YELO_04
    YELO_04  2 minutes back

    They exist and thay are creepy so... Clickbait?

    • Z H
      Z H  19 minutes back

      My butthole is a parasite.

      • MC Mushroom
        MC Mushroom  2 hours back

        He sounds like if Brian (theterroriser) was full american

        • Lord Freeza
          Lord Freeza  2 hours back

          8:24 im not kidding one day I was swimming in the sea and I saw a crab with a black thing under it JUST LIKE THIS ONE and I thought they were eggs but it looks like it was that parasite

          • skippy weeko
            skippy weeko  3 hours back

            I expected the number 1 entry to be my ex wife

            • The Void Alchemist
              The Void Alchemist  5 hours back

              No word about dracunculiasis? Those f-ers haunt my dreams!

              • The Void Alchemist
                The Void Alchemist  5 hours back

                I guess corticeps is old news at this point

                • Nein Nicht
                  Nein Nicht  7 hours back

                  Its isopod hours

                  • Cristina Arguedas
                    Cristina Arguedas  9 hours back

                    You for got the groupist workay who will land themselves into an unexpecting group of students and will gain all their grade recources, do nothing, and then leave once they have done

                    • Arturo Adam
                      Arturo Adam  9 hours back

                      a parasite that is a master manipulator, oh you mean my exgirlfriend?

                      • T λ C O. phox
                        T λ C O. phox  19 hours back

                        I hate everything about this. But equally intrigued too

                        • Death Omen
                          Death Omen  22 hours back

                          The fish tongue isopod parasite inspired a movie. It's called The Bay. As if it's very existence did not justify being nightmare fuel already...

                          Edit: Oh my god I feel so bad for the infected crabs 😭 poor crabs

                          • Lemon
                            Lemon  1 days back

                            IS it just me or those this guy sounds like lester from GTA V?

                            • Delta Lima Bravo
                              Delta Lima Bravo  1 days back

                              “4 parasites too creepy to exist”?????
                              The title is a little silly considering they DO exist. Right?

                              • Korrie Rose
                                Korrie Rose  1 days back

                                Augh I cannot stand the tongue biting one

                                • Captain Srovy
                                  Captain Srovy  1 days back

                                  Ads are also parasites!
                                  (ノ`Д´)ノ彡┻━┻

                                  • Night Dreams
                                    Night Dreams  1 days back

                                    Was the flowers made and thought it should be the demo goth on from stranger things

                                    • Night Dreams
                                      Night Dreams  1 days back

                                      What if the isopod dies inside from the fish?

                                      • Austin Hall
                                        Austin Hall  2 days back

                                        Is anyone else itchy? Im itchy

                                        • John Red
                                          John Red  2 days back

                                          I have one of this tongue bitting isopods preserved.

                                          • White Blogger Black Specs

                                            Poor Mr. Krabs 🦀

                                            • Emma 669
                                              Emma 669  2 days back

                                              Why isn't my uncle on this list?

                                              • White Blogger Black Specs

                                                Humans are the worst parasite...

                                                • Fluid Mosaic
                                                  Fluid Mosaic  2 days back

                                                  Well that’s killed my libido

                                                  • Mad Rob
                                                    Mad Rob  2 days back

                                                    How about Necromorphs

                                                    • K Fox
                                                      K Fox  2 days back

                                                      What if WE’RE PARASITES?

                                                      • Sj W
                                                        Sj W  2 days back

                                                        trump = parasite

                                                        • SquidBoi ·
                                                          SquidBoi ·  2 days back

                                                          *Skullgirls would like to know your location*

                                                          • Aquilis Blasco
                                                            Aquilis Blasco  2 days back

                                                            How did you guys forget to mention cordyceps?

                                                            • DarkDove_
                                                              DarkDove_  3 days back

                                                              my flatmate is a parasite

                                                              • Walt Edwards
                                                                Walt Edwards  3 days back

                                                                Democrats

                                                                • Haze87x
                                                                  Haze87x  4 days back

                                                                  #1 is disgusting

                                                                  • TheWisestDwarf99
                                                                    TheWisestDwarf99  4 days back

                                                                    The worst parasite?





                                                                    My gf

                                                                    Nah jk I don't have a girlfriend

                                                                    • Peterson A
                                                                      Peterson A  5 days back

                                                                      Step 1. Go to Google
                                                                      Step 2. Search this keyword: 123moviesdaily
                                                                      Step 3. Enjoy!
                                                                      4 Parasites Too Creepy to Exist
                                                                      It is a curious thing, the death of a loved one. We all know that our time in this world is limited, and that eventually all of us will end up underneath some sheet, never to wake up. And yet it is always a surprise when it happens to someone we know. It is like walking up the stairs to your bedroom in the dark, and thinking there is one more stair than there is. Your foot falls down, through the air, and there is a sickly moment of dark surprise as you try and readjust the way you thought of things.

                                                                      • Stephen Benner
                                                                        Stephen Benner  5 days back

                                                                        For some reason this video made me think of Harold Skimpole.

                                                                        • Tammy Rossitto
                                                                          Tammy Rossitto  5 days back

                                                                          Y'all forgot about toxoplasmosis! The parasite you get from cat feces and can turn ears and nice into zombies!

                                                                          • Nor Adrenalin
                                                                            Nor Adrenalin  5 days back

                                                                            Gene Stealers?!? Someone get the Ordo Xenos!

                                                                            • Björn Caldersparr
                                                                              Björn Caldersparr  5 days back

                                                                              "Just one more video before sleep"
                                                                              Oh damn, that will be food for nightmares tonight...

                                                                              • dieubermensch
                                                                                dieubermensch  5 days back

                                                                                1/3 or 1/2 of life is parasitic? now i know why my ex was like that.

                                                                                • Shataki
                                                                                  Shataki  5 days back

                                                                                  My stomach doesn't feel good now...

                                                                                  • Kouta Takanashi
                                                                                    Kouta Takanashi  5 days back

                                                                                    I sure love watching scientific videos while cooking and eating

                                                                                    • Rigging Doctor
                                                                                      Rigging Doctor  6 days back

                                                                                      Does the government count as a parasite on the populous as the host?

                                                                                      • Kingdom Farts
                                                                                        Kingdom Farts  6 days back

                                                                                        Corpse flowers are fugly tho...

                                                                                        • ToMiCo 91
                                                                                          ToMiCo 91  6 days back

                                                                                          Humans are a parasite of Earth.

                                                                                          • Anthony Green
                                                                                            Anthony Green  7 days back

                                                                                            2019... even the crabs got crabs...

                                                                                            • Nill Gddy
                                                                                              Nill Gddy  7 days back

                                                                                              you forgot about illegal immigrants from mexico.

                                                                                              • Bethanie Petitpas
                                                                                                Bethanie Petitpas  7 days back

                                                                                                "But wait -it gets worse!"