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Shark Week 2017: Underrated Chondrichthyan Spotlight

7/28/2017

 
The Fins United Initiative is excited to bring the "Underrated Elasmobranch Spotlight" series through TFUI officer Jess Myers. Learn about the sharks not shown on the big screen through her beautiful artwork!
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Waving its rostrum into our next spot on the Underrated Elasmobranch list is the Large Tooth Sawfish (Pristis pristis). It may look like a shark, but they are more closely related to rays! They can grow as long as 6.5m (~20ft)! Sawfish are well known and sought out for their rostra (the “nose”) that are adorned with spikey teeth. They use these saws to stun and catch their prey as they sit along the ocean floor.

In 2016, it was found that baby sawfish are born with fully formed saws! But wouldn’t that hurt the mom? Sawfish have got that covered – literally! The young pups rostrums’ are covered in a jelly-like sheath so mom doesn’t get all cut up during the birthing process.

Because of their late maturity and small litter sizes, sawfish have trouble maintaining the population. Their saws make them vulnerable to trophy fishing and get them easily tangled in nets. Without their rostra, they cannot survive. With all of these factors, populations are declining to critically endangered level on the ICUN Red List. 

what underrated chondrichthyan do you think shark week should showcase?

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Shark Week 2017: Underrated Chondrichthyan Spotlight
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Shark Week 2017: Underrated Chondrichthyan Spotlight
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Shark Week 2017: Underrated Chondrichthyan Spotlight

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    Author

    TFUI Founder Melissa C. Marquez is author of all animal bios and "Behind the Fins" segments.
    ​
    A proud #LatinainSTEM, Marquez is a marine biologist who focuses on shark habitat use and movements; she is also a science communicator (follow her on Twitter) who focuses on diverse Chondrichthyan education and who focuses on the media coverage of sharks.
    You can learn more about her on her website.

    SEE MELISSA'S TEDx TALK HERE:
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  • About TFUI
    • TFUI Origins >
      • About TFUI Founder Melissa
      • TFUI Officers
    • Take a Bite
    • Get Involved
    • FAQ
  • Bite Blog
  • Education
    • The Sharks >
      • Shark Anatomy
    • The Skates & Rays
    • The Chimaeras
    • Why Environments Matter
    • The Threats
    • Open Access >
      • Behind the Fins: Interview series
      • Bite into Research
      • Shark Bites: Book Recommendations
      • Sustainable Seafood Apps
  • Fins United
    • Shark Party Ideas
    • Little Fins Nursery
    • Big Fins Reef
  • Contact