Today, you’ll learn about how some sharks have social relationships, how shark attacks often happen because swimming humans look like other sea creatures, and how your cat might be snacking on endangered sharks!

Sharkship.

• “Not a lone shark: bull sharks may form ‘friendships’ with each other, study finds” by Tom Vierus
  • https://www.theguardian.com/world/2021/jul/01/not-a-lone-shark-bull-sharks-may-form-friendships-with-each-other-study-finds
• “Companions and Casual Acquaintances: The Nature of Associations Among Bull Sharks at a Shark Feeding Site in Fiji” by Thibaut Bouveroux, Nicolas Loiseau, Adam Barnett, Natasha D. Marosi and Juerg M. Brunnschweiler
  • https://www.frontiersin.org/articles/10.3389/fmars.2021.678074/full

Sharks could use glasses.

• "Great whites don’t hunt humans—they just have blind spots" by Hannah Seo
  • https://www.popsci.com/animals/great-white-shark-attack-reason/
• “Great white sharks can't see a difference between humans and prey” by Patrick Pester
  • https://www.livescience.com/great-white-shark-mistaken-identity

Check your cat’s food ingredients for shark.

• “Endangered Shark Meat Might Be Hiding in Your Pet’s Food” by Margaret Osborne
  • https://www.smithsonianmag.com/smart-news/endangered-shark-meat-might-be-hiding-in-your-pets-food-180979682/
• “Sharks killed for fins, yet little done to protect them” by Michael Casey
  • https://www.nbcnews.com/id/wbna49476110
• “Genetic identification of threatened shark species in pet food and beauty care products” by Diego Cardeñosa
  • https://link.springer.com/article/10.1007/s10592-019-01221-0

Find episode transcripts here: https://curiosity-daily-4e53644e.simplecast.com/episodes/blood-brothers-seeing-eye-shark-bark-vs-bite

For more about sharks, head to SharkWeek.com and don't miss #SharkWeek starting 7/24 on Discovery and streaming on discovery+.

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