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Are we interrupting the kinky sex lives of fish? | Marah J. Hardt

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. The ocean plays host to a peculiar party of wild, marine sex life that’s perhaps quirkier (and kinkier) than you can fathom. But is human behavior interrupting these raunchy reproductive acts? Take a deep dive with marine biologist Marah…

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Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.

The ocean plays host to a peculiar party of wild, marine sex life that’s perhaps quirkier (and kinkier) than you can fathom. But is human behavior interrupting these raunchy reproductive acts? Take a deep dive with marine biologist Marah J. Hardt to discover what exactly goes down under the sea — and why your own wellness depends on the healthy sex lives of fish.

The TED Talks channel features the best talks and performances from the TED Conference, where the world’s leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. You’re welcome to link to or embed these videos, forward them to others and share these ideas with people you know. For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), submit a Media Request here:

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59 Comments

59 Comments

  1. Tiffany Mwagale

    June 15, 2020 at 4:29 pm

    I have more knowledge on fish than i ever would have

  2. Dead-Owl

    June 15, 2020 at 4:31 pm

    I thought this was a TedX talk when I first looked at the title. Then I watched it and it turns out it was a TedXXX talk

  3. baerleon

    June 15, 2020 at 4:37 pm

    Well. Now I have some new ideas for the bedroom.

  4. Canadian Man

    June 15, 2020 at 4:43 pm

    Yeah, kill a guy because he’s pointing a taser at a cop? Take a life to avoid a little electrical shock? Sorry , your pigs are out of control gun-happy murderers. Murderers. Terminate the pig and all who are so easily driven to murder citizens. Wonder if the pigs are squirming in their mud pit by now? Digitally enhanced video , means finding ways to exonerate the pig, nothing else. Wendy’s should relax their policy of vacating the parking lot by calling the cops. Wendy’s is responsible for this just as much as the murderous pig.
    Abolish Qualified Immunity for police and politicians, until that happens, nothing will change.

  5. Hunter North

    June 15, 2020 at 5:17 pm

    Well, now I can never eat lobster again.

  6. Anton Wereta

    June 15, 2020 at 5:23 pm

    Remember when you looked at TED talks like, you had to have an amazing actual deep meaningful insight into something? That was relevant to anything at all? Neither it was at least 6 years ago at this point and just my God 😂

  7. Oscarnodwannabe

    June 15, 2020 at 5:30 pm

    I don’t always click on Ted Talks, but when I do they are about kinky fish. Now let’s fifty shades of scale this thing.

  8. saint of jesus Christ

    June 15, 2020 at 5:33 pm

    Uhhhm ok kinda don’t know why I’m on here 😭

  9. saint of jesus Christ

    June 15, 2020 at 5:36 pm

    This is so damn nasty I hate fish like those nasty some life is wtf.

  10. mvkin

    June 15, 2020 at 5:37 pm

    I’m sorry, we’re interrupting WHAT?

  11. Sivana D'costa

    June 15, 2020 at 5:46 pm

    Has me reeling at the eccentricities of nature. Such a fascinating way to talk about something that truly matters.

  12. Arcanomic Mysterium

    June 15, 2020 at 6:06 pm

    It’s good to know that we are asking the real important questions here.
    I’m so glad time money and energy was spent asking the most asinine questions!

  13. -Missy-

    June 15, 2020 at 6:27 pm

    This was soooo interesting and good.

  14. Krinsch

    June 15, 2020 at 7:09 pm

    she spoilered nemo!!! wtf this isn’t cool! big mac? bann den weg digga

  15. Melesniannon

    June 15, 2020 at 7:11 pm

    This title is the best clickbait, I got hooked immediately.

  16. 『 Onisuke 』

    June 15, 2020 at 7:18 pm

    I saw the Brain science video from 5 years ago, I went to check out the channel and see what they were doing recently and now i’m less interested

  17. Ko cho Gyi

    June 15, 2020 at 7:22 pm

    Living thing do is know all own thus natural,normal is know time teach end.

  18. Alice Walker

    June 15, 2020 at 7:51 pm

    What a cool lady, so smart and able to speak so engagingly about her research.

  19. Ken Belangel

    June 15, 2020 at 8:15 pm

    There’s a lot of fish in the sea

  20. Josef Lazar

    June 15, 2020 at 8:31 pm

    how to protect fish? we could maybe stop eating🤔

  21. Crazy TheWicked

    June 15, 2020 at 8:52 pm

    Jotaro is sweating right now

  22. Gloria Jean

    June 15, 2020 at 9:29 pm

    Don’t blame “Climate change” on humans. Its bullshit.

    • Acedia

      June 16, 2020 at 2:29 am

      If you truly think that you are far to uneducated on climate change to make such a statement. Roughly 97% of all researchers in this field agree that climate change is happening, is man made and is dangerous to our society. The other 3% are mainly single researchers (instead of institutes) with ties to companies that would profit from a decreasing care about climate change.

  23. Ligia Sommers

    June 15, 2020 at 10:51 pm

    Loved it 🙏🏻💖🌷

  24. MostlyLoveOfMusic

    June 16, 2020 at 12:05 am

    go vegan

  25. Marc Simon

    June 16, 2020 at 12:40 am

    she have a speaking talent, i can feel what she tell.. very interesting to learn and nicely presented!!

  26. Jewel Jackson

    June 16, 2020 at 2:13 am

    This was everything 🤣😂

  27. jib the world

    June 16, 2020 at 2:14 am

    Here’s another thought, since it’s healthier to not eat meat (including fish) just leave these sentient beings alone and let them have their lives.

  28. Whexfloman Zahra

    June 16, 2020 at 5:06 am

    Dear God! You are being too creative! I love it

  29. Alpesh Abhijit Chowdhury

    June 16, 2020 at 6:18 am

    So you’re telling me this isn’t an Onion Talk?

  30. Markhaba Amantaeva

    June 16, 2020 at 8:14 am

    interisting review i havent known for all my life how fish reproductes other fishes

  31. Ezra Wilson

    June 16, 2020 at 8:17 am

    Haha I dont think so females in clown fish are most dominant

  32. Mr snake

    June 16, 2020 at 11:15 am

    WHEN IS TED GONNA SHOW UP TO HIS OWN TALK??? I’ve waited so long and he has not once gone to his own talk!

  33. Bimal Bogati

    June 16, 2020 at 12:37 pm

    I could recall my days in school in our biology class, laughing hilariously when our teacher taught about reproduction.
    BTW, I never cared about fishes for I don’t eat sea-food and fishes scare me.

  34. Farbot Zarathuštrötöma Nia

    June 16, 2020 at 12:45 pm

    Humans are not just self destructive, but they are destructive for all as a whole.

  35. もくもくKumo

    June 16, 2020 at 2:42 pm

    ママ…?

  36. Jaar0nim0 Sm0ke

    June 16, 2020 at 3:11 pm

    Wtf is wrong with white people? Why is this a talk?

  37. ปัญญา ฤกษ์สกุลชัย

    June 16, 2020 at 4:35 pm

    Now AIS -T IT IN ME

  38. Long live the King

    June 16, 2020 at 5:38 pm

    im not gay

  39. TheCoverkidz

    June 16, 2020 at 5:39 pm

    00:58:54 x

  40. Rest

    June 16, 2020 at 8:07 pm

    👙👙 *18+*

  41. Morgan Brown

    June 17, 2020 at 7:28 am

    Yes! We MUST protect our oceans and environments!

  42. 18EST92

    June 17, 2020 at 10:16 am

    00:30:45

  43. CALL ME i am Eirian Thea Brown

    June 17, 2020 at 4:29 pm

    00:16:40 cnv 😍💋❤🔥😘 ☀ 🙂 :3 💛

  44. riley joseph

    June 17, 2020 at 7:39 pm

    00:26:00

  45. Brie Tyler

    June 18, 2020 at 2:32 am

    Me seeing this title: this looks fucking wild, time to watch
    Me after watching: This Was So Intellectual And Fascinating

  46. dae

    June 18, 2020 at 4:00 am

    “Her body can reabsorb her ovaries and grow testes in their place”

    me, a trans man: god i wish that were me

  47. Mr Dictator

    June 18, 2020 at 7:33 am

    Wtf?

  48. Milk

    June 18, 2020 at 8:13 am

    Time to kink shame the sea

  49. Cengizhan Sözer

    June 18, 2020 at 10:12 am

    2:32 cnv 😍💋❤🔥😘 O:) 🌵 ☁ 😀

  50. riley joseph

    June 18, 2020 at 2:08 pm

    00:38:08

  51. 1NELife Brand

    June 18, 2020 at 5:15 pm

    Great video! Great information.

  52. CALL ME i am Eirian Thea Brown

    June 18, 2020 at 7:21 pm

    00:28:40 cnv 😍💋❤🔥😘 3:) :3 🙁 🌴

  53. 18EST92

    June 19, 2020 at 12:12 am

    00:48:40 Great 😍💋❤🔥😘 💙 :v ^_^ 🌸

  54. Random Dude

    June 19, 2020 at 3:22 am

    What

  55. Marie G.

    June 19, 2020 at 10:58 pm

    See!! Even fish are transgender!! This is how natural it is!!

  56. D-man-Thecoolguy99

    June 21, 2020 at 2:28 am

    These anglerfish be wild

  57. Ринат Фаррахов

    June 21, 2020 at 2:24 pm

    Добрый день . Сделайте пожалуйста русские субтитры 😔

  58. Creators Hub

    June 21, 2020 at 3:21 pm

    I immediately clicked on the video when I saw the titile

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The TED Talks channel features talks, performances and original series from the world’s leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.

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