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Tag: shark conservation

Donald Trump and Sharks: An Annotated Timeline

Posted on June 27, 2024 By David Shiffman
Donald Trump and Sharks: An Annotated Timeline
Blogging, Popular Culture

The former President’s recent bizarre rant about sharks has gone viral on social media, but this is just the latest in a long and weird saga. These tweets are real. Did you know their backstory? July 2007: Donald Trump meets with adult film star Stormy Daniels, inviting her to his hotel room. Upon arrival, he … Read More “Donald Trump and Sharks: An Annotated Timeline” »

The world’s leading sustainable seafood certification standard just made some big changes for sharks

Posted on May 10, 2024May 20, 2024 By David Shiffman
The world’s leading sustainable seafood certification standard just made some big changes for sharks
Conservation, Science

Here are what the Marine Stewardship Council’s new requirements for sharks caught in certified sustainable fisheries mean. Sharks and their relatives are some of the most threatened vertebrates on Earth, and the number one threat by far is unsustainable overfishing practices. The Marine Stewardship Council, the non-profit that runs the world’s largest sustainable seafood certification … Read More “The world’s leading sustainable seafood certification standard just made some big changes for sharks” »

One year of “Why Sharks Matter:” What’s different in shark science and conservation now?

Posted on May 24, 2023 By David Shiffman
Conservation, Science

One year ago today, my book “Why Sharks Matter: A Deep Dive with the World’s Most Misunderstood Predator” was released. Science moves (relatively) rapidly and changes often, with new discoveries every day, and the conservation landscape is similar. This means that it is impossible for anything written about these topics at a discrete moment in time to remain accurate forever.

So, in the interest of accountability, in the interest of continuing to make my book useful for public education about shark science and conservation even as the science and policy landscape changes, and in the interest of keeping notes for myself for any future updated versions of the book, I have been keeping track of things that I wrote at the time that are no longer true, or weren’t quite right at the time. (Please note that some of these facts and figures were already out of date at the time the book was pubished, but that was well after the final text was turned in).

Read More “One year of “Why Sharks Matter:” What’s different in shark science and conservation now?” »

Thoughts on the Sustainable Shark Fisheries and Trade Act

Posted on April 5, 2018 By David Shiffman
Conservation, Science

A few weeks ago, H.R. 5248, The Sustainable Shark Fisheries and Trade Act, was introduced into Congress. The purpose of this bill is to “encourage a science-based approach to significantly reduce the overfishing and unsustainable trade of sharks, rays and skates around the world and prevent shark finning,” according to a press release from Mote Marine Lab. 

Though the devil is always in the details, and I’ll get into those below, here is a general overview of how this would work. The Sustainable Shark Fisheries and Trade Act would direct NOAA Fisheries to evaluate the fisheries management practices of other shark and ray fishing nations. This is similar in principle to other things NOAA is already doing, and a similar role for NOAA was included in the 2010 Shark Conservation Act (but has yet to be implemented).

Nations that have sustainable fisheries management practices comparable to ours (or certain fisheries associated with those nations, even if other fisheries are less well managed) will get a formal certification of their sustainable management practices, and nothing will change for them. Nations (or fisheries) that are found to not have sustainable fisheries management practices comparable to ours will not be allowed to have those products imported into the US and sold in our markets until their management practices improve. In the meantime, they’ll have access to NOAA’s existing capacity building resources and expertise to improve their own practices.

I support much of what this bill is trying to do, but I have some significant concerns about some of the current phrasing and plan for implementation.

Read More “Thoughts on the Sustainable Shark Fisheries and Trade Act” »

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” »

Long live sharks and rays!

Posted on October 9, 2017 By Guest Writer
Science

Alastair Harry is a fisheries science practitioner based in Perth, Australia. He assists in implementing ecosystem based fisheries management to support the sustainable use of wild-capture fish resources. He is a generalist and works across multiple areas including stock assessment, bycatch, and threatened species. He also holds an adjunct position at James Cook University and has a specific interest in the conservation and sustainable management of sharks and rays. 

In August I published a review paper entitled Evidence for systemic age underestimation in shark and ray ageing studies. In it I suggest that many sharks and rays live considerably longer than is currently recognised. This increased life expectancy isn’t due to medical advancements or a more nutritious diet (or even better fisheries management), but rather the result of ageing error.

Read More “Long live sharks and rays!” »

Background information on our land-based shark fishing paper

Posted on August 15, 2017August 15, 2017 By David Shiffman 5 Comments on Background information on our land-based shark fishing paper
Science

A photo used in this study showing a hammerhead shark taken completely out of the water. As with all photos used in this study, the angler’s privacy has been protecting by blurring out his face.

I have a new paper out on the conservation impacts of recreational shark fishing. The paper is called “fishing practices and representations of shark conservation issues among users of a land-based shark angling online forum,” and it is published in the journal Fisheries Research. If you don’t have institutional library access, you can read a copy of the paper here. The goal of this blog post is to provide background information on the study.

Journalists are free to quote or paraphrase information from this blog post. Additionally, I provide some suggested quotes below, and I am available for interviews about this paper (please contact me at WhySharksMatter at gmail).

Read More “Background information on our land-based shark fishing paper” »

37 things I learned about shark ecology and conservation for my dissertation

Posted on December 12, 2016August 24, 2017 By David Shiffman 5 Comments on 37 things I learned about shark ecology and conservation for my dissertation
Conservation, Science

The fam attending my dissertation defense
The fam attending my dissertation defense

After a little more than 5 years of hard work, I’ve officially completed my Ph.D.! You can read my dissertation (“An Integrative and Interdisciplinary Approach to Shark Conservation: Policy Solutions, Ecosystem Role, and Stakeholder Attitudes”) online here in its entirety.

In case there are some among you who don’t really want to read a 281 page dissertation but are curious about what I found, I’ve prepared this blog post to summarize my key conclusions. (Note: this does not include every conclusion. Some are aggregated together, and some more technical conclusions are omitted for this summary).

Read More “37 things I learned about shark ecology and conservation for my dissertation” »

Fun Science FRIEDay – Shark Daycare

Posted on September 2, 2016September 2, 2016 By Kersey Sturdivant 3 Comments on Fun Science FRIEDay – Shark Daycare
Conservation, Uncategorized

A great white shark nursery in the North Atlantic that was discovered in 1985 south of Cape Cod in the waters off Montauk, New York  has received renewed attention due to the increased activity of white sharks off cape cod in recent years. The nursery was first documented in 1985 by Casey and Pratt who deduced the presence of a nursery based on the number of juvenile sightings and landings in the area. This work was followed up recently  by OCEARCH (an organization dedicated to generating scientific data related to tracking/telemetry and biological studies of keystone marine species such as great white sharks), which tagged and tracked nine infant great whites to the nursery, located a few miles off Montauk.

Great White Shark. Image courtesy animals.NationalGeographic.com
Great White Shark. Image courtesy animals.NationalGeographic.com

Photo of a great white shark in Mexico by Terry Goss, WikiMedia Commons. http://commons.wikimedia.org/wiki/File:White_shark.jpg
Photo of a great white shark in Mexico by Terry Goss, WikiMedia Commons. http://commons.wikimedia.org/wiki/File:White_shark.jpg

 

 

 

 

 

 

Read More “Fun Science FRIEDay – Shark Daycare” »

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