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Author: David Shiffman

Florida fisherman catches an 18 foot goblin shark, the second ever caught in the Gulf of Mexico

Posted on May 2, 2014May 2, 2014 By David Shiffman 5 Comments on Florida fisherman catches an 18 foot goblin shark, the second ever caught in the Gulf of Mexico
Blogging, Science

Last week, commercial fisherman Carl Moore was fishing for royal red shrimp off the coast of Key West Florida.  When he pulled up a net from more than 2,000 feet, Moore had caught something other than just shrimp. In his net was an unusual looking enormous fish—a goblin shark more than 18 feet long. As … Read More “Florida fisherman catches an 18 foot goblin shark, the second ever caught in the Gulf of Mexico” »

How much shark fin soup could you make from an adult megalodon?

Posted on April 26, 2014 By David Shiffman
Blogging

Carcharocles megalodon, commonly known as the megalodon, was likely the largest shark that ever lived. I say “was”, because despite claims by certain Discovery Channel “documentaries”, there is absolutely no doubt whatsoever that the megalodon is extinct and has been for millions of years.

It isn’t surprising, though, that the largest shark that ever lived has such an impact on pop culture. Recently, we watched the latest in the spectacular “mega shark vs.” science fiction series, one of my favorite movie series based on extinct giant sharks coming back to life and wreaking havoc on the modern world.  The Southern Fried Scientist, who recently calculated how much Old Bay seasoning you’d need to properly cook the latest Aquaman villain,  asked me how much shark fin soup you could get from an adult megalodon.

Based on my calculations, the answer is about 70,000 bowls of shark fin soup, more than enough for everyone who lives in Greenland to have a bowl. Explaining where this number comes from can tell us a lot abTTout one of the most important ocean conservation issues facing the world today.

Read More “How much shark fin soup could you make from an adult megalodon?” »

It’s illegal for anglers to land hammerheads in Florida. It’s time that media coverage pointed that out.

Posted on April 24, 2014May 5, 2014 By David Shiffman 18 Comments on It’s illegal for anglers to land hammerheads in Florida. It’s time that media coverage pointed that out.
Conservation, Science

On January 1st, 2012, new Florida Fish and Wildlife Conservation Commission regulations came into effect, making it illegal for fishermen to land great, smooth, or scalloped hammerhead sharks in Florida waters. The legal term “land” is clearly defined in the Florida Code:

“Land,” when used in connection with the harvest of marine organisms, means the physical act of bringing the harvested organism ashore”

“Harvest” means the catching or taking of a marine organism by any means whatsoever, followed by a reduction of such organism to possession. Marine organisms that are caught but immediately returned to the water free, alive, and unharmed are not harvested”

 Florida code section 68B-44  (emphasis mine)

In other words, if a fish is brought out of the water, it is “landed”. If anglers stop the act of releasing a fish to measure it or take a photo, it is not “immediately released.”  If a fish isn’t  “immediately returned alive and unharmed” (and if the extremely physiologically stressful act of bringing a hammerhead out of the water results in it dying after release, it was not released “unharmed,”)  it is harvested. If you drag the shark out of the water and leave it there until it stops moving long enough that you feel safe to approach it, that is not an “immediately released” animal, and it isn’t an animal that is “released unharmed.”  Landing and/or harvesting hammerhead sharks is illegal. This is clear under the law, and has been confirmed by numerous consultations with an FWC Law Enforcement official.

Read More “It’s illegal for anglers to land hammerheads in Florida. It’s time that media coverage pointed that out.” »

Watch Mega Shark vs. Mecha Shark on Netflix Wednesday at 10 p.m., and tweet along with us!

Posted on April 22, 2014 By David Shiffman
Blogging

Mega Shark vs. Mecha Shark, the third installment of the amazing “Mega Shark vs.” series, is now on Netflix streaming! In 2009’s Mega Shark vs. Giant Octopus, a megaladon and a giant octopus were accidentally released by climate change, which led to a path of destruction around the world… until a scientific team involving Debbie Gibson … Read More “Watch Mega Shark vs. Mecha Shark on Netflix Wednesday at 10 p.m., and tweet along with us!” »

Help the producers of SharkNado 2 support our shark conservation research!

Posted on April 9, 2014 By David Shiffman
Uncategorized

Last fall, I received an e-mail from a representative of one of my favorite companies: the Asylum, the film studio that brought you such cinematic masterpieces as “MegaShark vs. Giant Octopus,” “MegaShark vs. Crocosaurus,” and, of course, “SharkNado.” Following the spectacular success of SharkNado, they were interested in supporting shark science and conservation. After months … Read More “Help the producers of SharkNado 2 support our shark conservation research!” »

Explainer: An end to Japan’s “scientific whaling” program in Antarctica

Posted on March 31, 2014April 2, 2014 By David Shiffman 1 Comment on Explainer: An end to Japan’s “scientific whaling” program in Antarctica
Conservation

Early this morning, the International Court of Justice declared that Japan’s scientific whaling program in Antarctica violates the International Whaling Commission moratorium, and ordered Japan to stop.  This is big news for the marine conservation community, but like many legal policy decisions, it can be difficult to determine exactly what it means. I asked marine mammal biologists, conservation activists, and policy experts to help explain it.

What is the International Court of Justice (ICJ)? The International Court of Justice is essentially the judicial branch of the United Nations. Any of the 192 United Nations member states may submit a case against any other state.

What is the International Whaling Commission (IWC)? The International Whaling Commission is a regulatory body that was founded in 1946 as a result of the International Convention for the Regulation of Whaling treaty. The 88 member nations (any nation can join) regulate whaling and whale conservation issues.

What is “scientific whaling?” Scientific whaling refers to intentionally killing a whale for the purpose of scientific research. According to marine mammal researcher Jake Levenson, this is permitted by Article 8 of the International Convention for the Regulation of Whaling. According to Levenson,  “In the 1940’s [when this rule was made,] we didn’t have many of the tools we have now to study whales, so at the time it was thought to be appropriate to kill whales for scientific purposes.” Several experts I spoke to noted that this was never intended to be a large-scale program. Here is a list of some of the scientific research that resulted from the program.

Read More “Explainer: An end to Japan’s “scientific whaling” program in Antarctica” »

No, harassing a shark for fun is not ethically equivalent to scientific research that helps conserve a species

Posted on March 26, 2014March 27, 2014 By David Shiffman 18 Comments on No, harassing a shark for fun is not ethically equivalent to scientific research that helps conserve a species
Blogging, Conservation, Science

Last month, I wrote an article for Scientific American that I shouldn’t have had to write. In it, I argued that riding, poking, prodding or otherwise harassing a free-swimming large predatory animal for fun is a bad idea. I do mean “argued;” believe it or not, there are people who strongly disagree with me. In my article, I was very general and diplomatic, and I took pains to avoid naming names.

However, my article was at least partially inspired by the disrespectful, potentially dangerous, and very public behavior of one person: the editor of Shark Diver magazine, Eli Martinez. Eli recently wrote an article for Medium, in which he stated that: “Look, I have no problem with touching sharks and I do not have any problem with other people touching sharks.” He also notes that ” I just think riding sharks is disrespectful to the animals .” He has also shared the following photos (and many, many more like them) on his Facebook page, photos showing behavior he does not seem to consider disrespectful.

Read More “No, harassing a shark for fun is not ethically equivalent to scientific research that helps conserve a species” »

5 things we discussed in my #scio14 “social media as a scientific research tool” session

Posted on March 10, 2014 By David Shiffman 1 Comment on 5 things we discussed in my #scio14 “social media as a scientific research tool” session
Blogging

At ScienceOnline Together 2014, I moderated a session titled “social media as a scientific research tool” (background information here). We had a great discussion, and I wanted to thank everyone who came or participated virtually. For the benefit of those who couldn’t make it, I wanted to summarize our discussion. 1) Social media and “big … Read More “5 things we discussed in my #scio14 “social media as a scientific research tool” session” »

Thanks for your support of my SciFund crowdfunded shark research!

Posted on March 8, 2014 By David Shiffman
Blogging

The SciFund Challenge came to a close last night. In total, more than 15 projects, including mine, were fully funded! More than $45,000 was raised for scientific research! My minimum funding goal for this project was $3,000, an amount which would have allowed me to use stable isotope analysis to study the feeding ecology of … Read More “Thanks for your support of my SciFund crowdfunded shark research!” »

New “Rescue a Reef” citizen science project focuses on coral restoration. You can help!

Posted on February 25, 2014 By David Shiffman
Uncategorized

Coral reefs provide critical habitat to countless unique species of animals and plants. However, many reefs are in trouble, being hammered by climate change, destructive fishing techniques, pollution, disease, and other threats. A coral restoration project at the University of Miami’s (UM) RJ Dunlap Marine Conservation Program aims to rescue Florida’s reefs through coral restoration. The … Read More “New “Rescue a Reef” citizen science project focuses on coral restoration. You can help!” »

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