Shadowing Practice: The Dumbest Animal Alive - Learn English Speaking with Video
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The Sunfish, or Mola, is the dumbest creature alive.
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Not just from an intelligence perspective – I mean, look at it!
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It's a being of extremes and comically bad at being an animal.
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Its evolutionary strategy is to be chunky boys, weaker than their predators, staring into the ocean with empty dumb eyes, eating the least nutritious food possible but growing amazingly fast, getting infested by parasites and dying horribly.
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If you presented the sunfish in animal invention class everybody would be really upset with you.
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And yet somehow the Mola doesn't just survives but thrives.
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How? Like actually how?
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Are you ok Evolution?
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The genus of Mola is a fish built wrong, a giant head that evolution lost interest in half way through.
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Its body is very flat and circular without a real tail, instead it has a sort of rudder-like stump.
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Two fins on the top and bottom give it an ... uhm ... unorthodox swimming style.
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They propel themselves forward by flapping their fins in a goofy wobbling motion with as little grace as possible.
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It’s less like swimming and more like underwater flying – although when they really try, Mola can match strong swimmers like salmon or marlins.
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Sunfish also don’t have a swim bladder, the gas-filled organ most fish use for buoyancy.
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Instead they have a jelly-like layer of flesh that is 90% water to dive or surface, which definitely doesn’t help with agility.
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Most of the time Mola cruises around leisurely.
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Their teeth are fused into a parrot-like beak that sits in a tiny gaping pout that's open most of the time.
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Together with two huge empty eyes, the sunfish has a perpetual derpy face, always looking stunned.
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Sunfish don’t have proper scales but some of the thickest skin in the ocean after whales.
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Up to 15 cm thick, it's rough and rubbery and often covered in mucus, like armour made from car tyres.
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Although most of what it is protecting is not that great in the first place.
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Sunfish can become as big and massive as a large car but its organs are collected together in the front of their body, while most of their bulk is oddly textured, flabby, gelatinous tissue – an animal made from all the worst parts of a steak.
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This very mid meat is supported by a sort of weird skeleton without ribs or a tailbone and a lot of cartilage.
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Their weird bodies are a mobile mini ecosystem, infested and saturated with around 50 species of parasites – probably more than any other fish.
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Crustaceans, barnacles, various worms and protozoans live on and in their skin, muscles, gills or organs.
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They are such a paradise for parasites that even their parasites have their own smaller parasites!
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Some Mola are also followed by an entourage of other fish that seek protection, food scraps or feed on their inhabitants.
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This awkward situation may be the root of their most bizarre behavior: Mola frequently swim to the surface to float on their side like a pancake.
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They are sunbathing to warm up again from deep cold dives – which is where they got their name from.
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But they also do it to present their body to seabirds like albatrosses.
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The birds start picking the parasites from the Sunfish body – while smaller fish that live near the surface take care of the bottom half – cleaning them in exchange for a snack.
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While this is a great adaptation to their parasite infection it sadly often leads to dead sunfish when they collide with boats.
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Since they are still cold and slow from the deep when they float on the surface, they can't react to anything coming at them.
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Once Mola reach a certain size most predatory fish seem to avoid them, probably wrongfully assuming their size means that they could fight back – and because their outsides are too tough.
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But orcas, sharks and sea lions sometimes attack and take a bite – usually only to say: “No thank you, I prefer starving to death”.
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Because for big predators sunfish are watery, not very nutritious, cartilage filled, parasite-ridden jelly donuts.
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They simply prefer to eat almost anything else.
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Leaving Molas swimming around with big chunks missing, looking even more ridiculous.
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Sea lions have been observed to skip the whole sunfish and only eat its organs, play with its body like a frisbee and then leave the rest for scavengers.
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The sunfish might be sad about all of this but we will never know because our chunky boys are incredibly stupid.
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Loveable Chunky Derpy Idiots Sunfish have one of the lowest brain to body ratios in the animal kingdom.
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A car-sized mola has a walnut-sized brain and only a tiny spine.
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So its mind runs an early alpha version of intelligence with updates disabled.
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If you look a sunfish deep in the eyes, you will mostly see your reflection.
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Despite or maybe because of their daftness they are pretty gentle fish that show no aggression towards other larger animals and are friendly to humans.
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Sometimes they even approach divers or boats to check out what they are and to stare at them derpily.
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Even if sunfish could get angry, they kind of lack the tools or temperament to hurt a human.
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Adult sunfish are loners that spend most of their lives drifting and wobbling through the ocean solo, although sometimes they come together to make babies.
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Spotting two sunfish making love is extremely difficult because they rendezvous in the deep ocean.
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But we know that their strategy is for 99.999% of their offspring to die.
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Female mola carry far more eggs than any other vertebrate on Earth – hundreds of millions of eggs in a single mating party!
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Sunfish eggs are tiny and float in the plankton, where millions are eaten, starve or don't even hatch.
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The larvae that do hatch are adorable rice grain sized weirdos covered in little star shaped spines with the derpy facial expression of adult sunfish.
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All kinds of predators gobble up these tiny mola by the millions, so to have any chance they need to become large quickly.
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Luckily sunfish have the most rapid and extreme growth of any animal – a larva can increase its weight 60 million times from hatching to adult.
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This is the equivalent of a human baby growing to the weight of an aircraft carrier.
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If you grow fast you need a lot of nutritious food, and this is why Mola have chosen to specialize on the dumbest meal available.
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The Dumbest Predator vs The Dumbest Prey The sunfish found a truly remarkable ecological niche: If your prey is so pathetic that some other predators don’t want to bother with it, you have it all for yourself.
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Mola are generalized predators with a focus on small and soft stuff.
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Their huge eyes can see incredibly well, especially in dim water, and they can sneak up on small prey or sift through drifting zooplankton.
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Mostly fish larvae, squids, shrimps, mollusks, starfish, small crustaceans – really any soft critter they can get to.
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But maybe their favorite meals are from the jelly kind of sea life, like jellyfish, ctenophores and salps – which really is something since these are almost entirely water and have almost no calories.
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So to get any meaningful amount of nutrition sunfish can mow through swarms of jellyfish, sometimes devouring thousands in a single day.
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Without a swim bladder, Mola can dive very deep and surface quickly and freely, giving them a huge range, able to travel dozens of kilometers a day to graze on the seafloor or reefs, hunt for jelly in the deep or consume plankton and algae near the surface.
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Mola are the cows of the ocean.
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Huge and constantly floating around slurping in high volumes of low nutrient food.
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Since they don’t really chew with their beak, sunfish have found another absurd way to eat: Long, claw-like teeth in their throat.
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Mola suck in their prey, pull it through their throat teeth that prevent it from escaping and maybe move it around and rip it apart like a slow motion wood chipper.
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Ok. As much as we are roasting the sunfish – and don’t worry, it doesn’t understand that we are making fun of it – actually it is kind of genius.
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Nature has a sense of humor and has left niches in the ecosystem that are best filled by being passive and bad at everything.
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Mola are derpy goofballs that are bullied by everyone.
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And while it is fun to call them dumb actually they are a highly specialized and resilient species, widely spread throughout the oceans of the world.
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A marvel of evolution. A truly genius creature.
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And as the human gazes into the sunfish’s eyes and wonders how evolution could produce such an ingenious creature… Sunny suddenly wonders about her own origins.
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There is a deeper version of her story that nobody told her – so let’s help her find out.
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With the MyHeritage DNA test she can take a deep dive into her own DNA, discover her family history, and explore her geographic origins.
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And for only $29, she decides to go for it!
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The DNA test is incredibly simple: just a quick swab inside her check, pop it back in the mail, and that's it!
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After a few weeks, she gets her results back.
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Like taking a journey back through the millennia, she can now explore her ancestors’ fingerprints etched into her DNA.
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With Ancient Origins, a new feature by MyHeritage DNA, Sunny traced her story back 10,000 years — to find out she’s descended from Norse Vikings!
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And there is more: she also discovers thousands of distant relatives all over the world!
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All these people share a small part of her DNA … makes you wonder if they like Sunfish as much as she does.
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This was more than just a DNA test - it was like a global family reunion!
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If you are curious about what your DNA might reveal about you, order your MyHeritage DNA kit today: for just $29. Click the link, or scan the QR code.
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Your DNA connects you to every other human on this planet, and learning about your origins can yield some truly amazing insights into how you … became you!
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Want the dumbest animal alive on your wall?
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Our official Sunfish poster is now available on our shop – but only while supplies last.
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This poster also kicks off a brand-new series of dedicated video posters.
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While you’re browsing the shop, check out our other sciencey products.
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Every purchase directly funds new videos.
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Thanks for helping this dumb fish make smart science happen!
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación de nivel C1 se basa en el vídeo “The Dumbest Animal Alive”. Las palabras que más se repiten: sunfish, mola, Dna, fish, parasite. Este vídeo tiene 92 frases y 1761 palabras para practicar shadowing. La parte hablada dura 10:47. El hablante habla a un ritmo natural de unas 163 palabras por minuto, cercano a una conversación cotidiana. Solo el 75 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.
Vocabulario clave de este vídeo
Las 15 palabras más avanzadas del vídeo, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| sunfish sustantivo | /ˈsʌnˌfɪʃ/ | centrárquido |
| predator sustantivo | /ˈpɹɛd.ə.tɚ/ | predador, depredador |
| jelly sustantivo | /ˈd͡ʒɛli/ | jalea, jaletina |
| float verbo | /fləʊt/ | flotar |
| prey sustantivo | /pɹeɪ/ | presa |
| chunky adjetivo | /ˈt͡ʃʌŋki/ | con trozos, a trozos |
| nutritious adjetivo | /nuːˈtɹɪʃəs/ | nutritivo, nutriente |
| hatch verbo | /hæt͡ʃ/ | eclosionar |
| beak sustantivo | /biːk/ | pico |
| cartilage sustantivo | /ˈkɑɹ.təl.ɪd͡ʒ/ | cartílago, cartilágine |
| crustacean sustantivo | /kɹʌsˈteɪʃən/ | crustáceo |
| jellyfish sustantivo | /ˈd͡ʒɛliˌfɪʃ/ | aguamala, aguaviva |
| larva sustantivo | /ˈlɑɹ.və/ | larva |
| plankton sustantivo | /ˈplæŋ(k).tən/ | plancton |
| wobble verbo | /ˈwɑbl̩/ | tambalearse, bambolearse |
Phrasal verbs que vas a escuchar
| Palabra | Pronunciación | Significado |
|---|---|---|
| check out verbo | investigar, chequear | |
| find out verbo | averiguar, anoticiarse | |
| fight back verbo | /faɪt bæk/ | contraatacar |
Gramática en este vídeo
Las estructuras que más usa el hablante, con las palabras exactas del vídeo:
| Estructura | En el vídeo |
|---|---|
| Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo hace | are fused · are collected · is supported |
| Present perfect have/has + participio pasado — una acción pasada que sigue importando ahora | have been observed · have chosen · have found |
Pronunciación a tener en cuenta
El hablante usa 11 contracciones y formas reducidas, como don't, doesn't, can't. Dilas en su forma corta, tal como las oyes.
- Los sonidos de “sh” y “zh”: sunfish /ˈsʌnˌfɪʃ/, nutritious /nuːˈtɹɪʃəs/, crustacean /kɹʌsˈteɪʃən/, jellyfish /ˈd͡ʒɛliˌfɪʃ/, entourage /ˈɑn.tə.ɹɑʒ/
- Palabras largas — cuida el acento: ecosystem /ˈikoʊˌsɪstəm/, agility /əˈd͡ʒɪl.ɪ.ti/, comically /ˈkɑmɪk(ə)li/, gelatinous /d͡ʒəˈlæt.ɪn.əs/, generalize /ˈd͡ʒɛn.(ə.)ɹə.laɪz/
Sonidos difíciles para hispanohablantes:
- s + consonante al inicio — sin añadir una “e” delante: starve /stɑɹv/, stare /stɛɚ/, specialize /ˈspɛʃəˌlaɪz/, skeleton /ˈskɛlətən/, snack /snæk/
- /v/ — no es /b/: los dientes tocan el labio inferior: larva /ˈlɑɹ.və/, starve /stɑɹv/, devour /dɪˈvaʊɚ/, evolutionary /ˌiː.vəˈluː.ʃən.ɛɹ.i/, passive /ˈpæs.ɪv/
- /z/ — sonora, no /s/: extremes /ɪkˈstɹimz/, generalize /ˈd͡ʒɛn.(ə.)ɹə.laɪz/, specialize /ˈspɛʃəˌlaɪz/, browse /bɹaʊz/, amazingly /əˈmeɪzɪŋli/
Cómo practicar con este vídeo
- Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
- Empieza a velocidad 0,75×, haz shadowing frase por frase y vuelve a la velocidad normal cuando te resulte fácil.
- Grábate y compara con el original, prestando atención a palabras como sunfish, predator, jelly.
¿Qué es la Técnica de Shadowing?
Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.