VIDEO

VIDEO

Sharks Under Threat

Sharks Under Threat

Sharks often take on the role of the villain in pop culture, but they play a much more critical (and less scary) role in ocean ecosystems around the world. Like many species, these misunderstood predators are under constant threat due to human activities like fishing. Join conservationist and National Geographic Explorer Jess Cramp as she works to protect these amazing creatures and restore their reputation.

Grades

5 - 12+

Subjects

Biology, Ecology, Conservation

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Transcripts (English)

- [Narrator] Between "Sharknados", "The Meg", and "Jaws", it's no wonder many of us are afraid of sharks, but much of this fear is unwarranted. For example, an estimated 235,000 Americans are injured every year in their own bathrooms. Meanwhile, in 2018, sharks were responsible for just 32 injuries in US waters. That's not to say a shark encounter can't be dangerous, but sharks aren't the monster's popular culture has made them out to be. In fact, sharks have a better reason to fear humans than we have to fear them. For every one person killed by a shark, about 2 million sharks are killed by people.

- Sharks have survived several mass extinctions, but they're being fished right now past their ability to reproduce and replenish the populations.

- [Narrator] Marine conservationist and National Geographic explorer, Jess Cramp, is working to build a better future for sharks and the marine environment.

- We were really in trouble of losing some species in my lifetime to overfishing and habitat degradation. When sharks have been removed from certain ecosystems, you have an explosion of the other predators, and this can wreak havoc on reefs and on the balance of the ecosystem.

- [Narrator] With more than 500 species of sharks living throughout all of Earth's oceans, the loss of even one of these top predator species would have a profound impact on the ocean's ecosystem. And so in 2011, Jess co-championed a grassroots campaign to create a gigantic shark sanctuary.

- We were successful in securing a 2 million square kilometer shark sanctuary in the Cook Islands.

- [Narrator] The shark sanctuary is one of the largest in the world. It protects an area nearly the size of Mexico. And now Jess is researching shark protection in the Pacific Ocean and around the globe.

- Unless we understand where they go and what habitats they're using, it's really difficult to design policies to protect them. The goal today is to catch Galapagos sharks. We're going to implant some acoustic tags and find out where they're going. Sharks have a bad wrap. One of my goals is to try to rebrand sharks in a way that's a bit more realistic. They're not man eaters, but they're also not cuddly teddy bears. Truth is, they are predators just as we are, and they need to be respected. I 100% believe that there is positive change coming for the ocean in our future. And when we connect with something, it gives us the ability to understand it better and then want to protect it.

Transcripción (Español)

- [Narrador] Entre las "Sharknado", "Megalodón" y "Tiburón", no es de extrañar que muchos les temamos a los tiburones, pero gran parte de este miedo no tiene fundamento. Por ejemplo, se estima que 235 000 estadounidenses se lesionan cada año en sus propios baños. Entretanto, en el 2018, los tiburones fueron responsables de solo 32 lesiones en aguas de EUA. Eso no quiere decir que un encuentro con un tiburón no pueda ser peligroso, pero no son los monstruos que la cultura popular los ha hecho parecer. De hecho, los tiburones tienen más razones para temerles a los humanos que nosotros a ellos. Por cada persona que muere por un tiburón unos 2 000 000 de tiburones son asesinados por personas.

- Los tiburones han sobrevivido varias extinciones masivas, pero ahora están siendo pescados más allá de su capacidad para reproducirse y reponer las poblaciones.

- [Narrador] La conservacionista marina y exploradora de National Geographic Jess Cramp trabaja para construir un mejor futuro para los tiburones y el entorno marino.

- Estábamos en peligro de perder algunas especies en mi vida debido a la sobrepesca y la degradación del hábitat. Cuando los tiburones ya no están en ciertos ecosistemas, hay una explosión de otros depredadores, y esto puede causar estragos en los arrecifes y en el equilibrio del ecosistema.

- [Narrador] Con más de 500 especies de tiburones viviendo en todos los océanos de la Tierra, perder aun una de estas especies de depredadores principales afectaría profundamente el ecosistema del océano. Entonces, en el 2011, Jess colideró una campaña de base para crear un gigantesco santuario de tiburones.

- Logramos asegurar un santuario de tiburones de 2 000 000 km² en las Islas Cook.

- [Narrador] El santuario de tiburones es uno de los más grandes del mundo. Protege un área casi del tamaño de México. Y ahora Jess está investigando la protección de tiburones en el océano Pacífico y alrededor del mundo.

- A menos que entendamos a dónde van y qué hábitats usan, es dificilísimo diseñar políticas para protegerlos. El objetivo de hoy es capturar tiburones de Galápagos. Implantaremos etiquetas acústicas y averiguaremos a dónde van. Los tiburones tienen mala fama. Una de mis metas es intentar cambiar su imagen de un modo que sea un poco más realista. No son devoradores de hombres, pero tampoco son ositos de peluche tiernos. La verdad es que son depredadores al igual que nosotros, y hay que respetarlos. Creo sin lugar a duda que habrá un cambio positivo para el océano en el futuro. Cuando nos conectamos con algo, podemos entenderlo mejor y luego queremos protegerlo.

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Web Producer
Sarah Appleton, National Geographic Society, National Geographic Society
other
Last Updated

May 22, 2025

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