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Author: David Shiffman

Ocean Noise, Parasite Extinction, and Jellyfish Blooms: Thursday Afternoon Dredging: November 9th, 2017

Posted on November 9, 2017 By David Shiffman
Uncategorized

Cuttings (short and sweet): 

  • Watch this manta ray (or should I say mobula ray) at the Georgia Aquarium

    Video by Georgia Aquarium
  • Follow Serena Wong, a graduate student at SFU studying shark and ray respiratory physiology, on twitter!
  • 9 reasons you can’t help but love manatees. By Katie Hogge, for the Ocean Conservancy blog

 

Read More “Ocean Noise, Parasite Extinction, and Jellyfish Blooms: Thursday Afternoon Dredging: November 9th, 2017” »

Shark protections, shark careers, and sharky grammar: Dear Shark Man, Volume 1

Posted on November 8, 2017November 8, 2017 By David Shiffman
Uncategorized

Welcome to volume #1 of Dear Shark Man, an advice column inspired by a ridiculous e-mail I received. You can send your questions to me via twitter (@WhySharksMatter) or e-mail (WhySharksMatter at gmail).


Dear Shark Man,

Have you seen this New Scientist article (“Sharks now protected no matter whose waters they swim in?)
Is this good news? It seems too good to be true.

Sincerely,
Skeptical in Seattle

Dear Skeptical,

You are correct to be, um, skeptical. At best, this article is an oversimplification of a very complex problem. Many shark species migrate through the territorial waters of multiple nations, which complicates any conservation and management plans for these species. The Convention on Migratory Species, which is what the New Scientist article is about, is an attempt to help. However, a CMS listing is only the first step, and it does not inherently require any legal protections. Thus far, CMS listings for sharks have not resulted in any concrete legal protections for these species. The World Wildlife Fund’s shark expert, Ian Campbell, has written a great summary of why this CMS news is not the be-all end-all solution that many seem to believe, check it out here:

Read More “Shark protections, shark careers, and sharky grammar: Dear Shark Man, Volume 1” »

A scientifically accurate list of the most endangered sharks in the world

Posted on November 2, 2017November 2, 2017 By David Shiffman 5 Comments on A scientifically accurate list of the most endangered sharks in the world
Conservation, Science

One of the most common questions I get during my “ask me anything” sessions on twitter is “which species of sharks are the most endangered?” Whenever I can’t completely answer a question in a single tweet, I like to link to more information from a reliable source.

However, I’ve struggled to easily answer this question with a link, because much of the information out there about this particular question is incomplete, misleading, or just wrong.  Several online lists of the most endangered species of sharks* don’t actually include the most endangered species of sharks. Many of these lists could be re-titled as “the conservation status of some species of sharks I’ve heard of and could easily find pictures of” or “some random information I heard out of context about shark conservation.” Since there isn’t an easily accessible source of accurate information about this important shark science and conservation topic, I’ll make one myself. ( I should note here that I am referring only to true sharks, not to other chondrichthyans, even though other chondrichthyans in many cases face similar or worse threats. )

Read More “A scientifically accurate list of the most endangered sharks in the world” »

Seagrass restoration, seabirds, and sea turducken! Thursday Afternoon Dredging: November 2, 2017

Posted on November 2, 2017November 2, 2017 By David Shiffman
Uncategorized

Cuttings (short and sweet): 

  • Watch this skate seen on a SCUBA dive in Scotland! Video by Catherine Hollingdale

    Video by Catherine Hollingdale
  • Follow fish parasitologist Isaure de Buron on twitter!
  • Judge halts Hawaii aquarium fishing until environmental review. By the AP.
  • There are more fish in the sea, because the Magnusson-Stevens Act is working. By George Leonard, for the Ocean Conservancy blog.

Read More “Seagrass restoration, seabirds, and sea turducken! Thursday Afternoon Dredging: November 2, 2017” »

Reducing seabird bycatch, rescuing vaquita, and cod comebacks: Thursday Afternoon Dredging: October 26, 2017

Posted on October 26, 2017 By David Shiffman
Uncategorized

Cuttings (short and sweet): 

  • Watch aquarists at the PPG Aquarium at the Pittsburgh zoo target train a zebra shark so it comes when it’s called

    Video by PennLive.com
  • Follow PNG Sharks and Rays, a twitter account associated with a project studying “one of the last frontiers of marine biodiversity research,” on twitter.
  • 5 things you should know about the Marine Mammal Protection Act. By Katie Hogge, for the Ocean Conservancy blog.
  • First vaquita “rescued” in effort to save the species. By John Cannon, for MongaBay.

Read More “Reducing seabird bycatch, rescuing vaquita, and cod comebacks: Thursday Afternoon Dredging: October 26, 2017” »

Applications now open for the 2018 YPRF diversity in elasmobranch science scholarship

Posted on October 24, 2017 By David Shiffman
Uncategorized
The American Elasmobranch Society is the world’s oldest and largest professional association of shark and ray scientists

The American Elasmobranch Society, the world’s oldest and largest professional society focusing on the scientific study and management of sharks and their relatives, is now welcoming applications for the 2nd year of our Young Professional Recruitment Fund diversity initiative. Awardees will be given one year of Society membership, in addition to specialized professional development training, mentorship, and networking opportunities specific to their needs as scientists and professionals from developing nations or historically underrepresented minority groups. 

Read More “Applications now open for the 2018 YPRF diversity in elasmobranch science scholarship” »

Thursday Afternoon Dredging: September 14th, 2017

Posted on September 14, 2017September 13, 2017 By David Shiffman
Uncategorized

Cuttings (short and sweet): 

  • Watch this bat ray at the Monterey Bay Aquarium
  • Follow Marie Auger-Méthé, an Arctic ecologist, on twitter!
  • How sea creatures change color. From Nature Research Highlights.
  • Global fingerprints of sea level rise revealed by satellites. By Rachael Lallensack for Nature News.

 

Read More “Thursday Afternoon Dredging: September 14th, 2017” »

Irma’s Caribbean devastation, aquaculture, and Okeanos education: Thursday Afternoon Dredging: September 7th, 2017

Posted on September 7, 2017September 7, 2017 By David Shiffman
Uncategorized

 

Cuttings (short and sweet): 

  • Watch how goblin sharks feed
  • Follow the Sawfish Conservation Society on twitter!
  • Sturgeon survives kidnapping, stabbing, and wildfire. By Amelia Templeton, for Oregon Public Broadcasting
  • UK coast haven for seabirds becomes a marine protected area. From The Guardian.

Read More “Irma’s Caribbean devastation, aquaculture, and Okeanos education: Thursday Afternoon Dredging: September 7th, 2017” »

Oil spill impacts, Great Barrier Reef recovery, and the mystery of the Hunley: Thursday Afternoon Dredging: August 31, 2017

Posted on August 31, 2017 By David Shiffman
Uncategorized

Cuttings (short and sweet): 

  • Watch these bull sharks in Beqa Lagoon, Fiji, in this video by Beqa Lagoon Resort.

    Bull sharks in Fiji
  • Follow marine social scientist Amy Diedrich on twitter!
  • The impacts of the Deepwater Horizon Oil Spill on Gulf of Mexico shorelines. An introduction to a special issue of research, from the NOAA Response and Restoration blog.

 

Read More “Oil spill impacts, Great Barrier Reef recovery, and the mystery of the Hunley: Thursday Afternoon Dredging: August 31, 2017” »

Shrinking fish, shipstrikes, and tracking Putin by wildlife. Thursday Afternoon Dredging: August 24th, 2017

Posted on August 24, 2017August 24, 2017 By David Shiffman
Uncategorized

Cuttings (short and sweet): 

  • Watch this basking shark feed in a video from Basking Shark Scotland

    Video by Basking Shark Scotland
  • Follow Ting-Chun Kuo, a seahorse conservationist who just defended her Ph.D., on twitter!
  • Climate change is shrinking fish. By Craig Welch, for National Geographic.
  • More whales are dying from shipstrikes then previously believed, because some sink. By KCBS news.
  • Scientists attached cameras to penguins. Here’s what they found. By Sarah Gibbens, for National Geographic

Read More “Shrinking fish, shipstrikes, and tracking Putin by wildlife. Thursday Afternoon Dredging: August 24th, 2017” »

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