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Over 15 years of ocean science and conservation online

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The next OpenCTD is here!
June 22, 2026
humpback whale in Antarctica
The evolution of the International Whaling Commission – from  whaling quotas to whale conservation
June 10, 2026
Isn’t ironic, don’t you think: dismantling the Ocean Observatories Initiative on World Oceans Day
June 9, 2026
“Why Sustainable Seafood Matters” is now available for preorder! Here’s what it’s about, and why I decided to write it.
June 8, 2026
Here’s how to join my IMCC8 symposium, “Ocean Science Communication: What’s New and What’s Next?”
April 22, 2026
Deep Sea Mining Symposium Announcement
April 21, 2026

An apology for my post on activists’ response to hotel guests eating a shark

Posted on September 30, 2013October 27, 2013 By David Shiffman 7 Comments on An apology for my post on activists’ response to hotel guests eating a shark
Blogging

davesquare

Last week, in response to a viral image of hotel guests eating a shark, I wrote a post explaining why I felt that the response from many in the activism community was disproportionate to the degree of the problem represented by that photo (and how other more serious problems got much less attention). Based on feedback I received from people who have read the post, the points I was trying to make were lost among my exasperated, and sometimes hostile, tone. This is my fault as a writer and not yours as a reader. I am writing this follow-up post to both briefly explain what I was trying to say and to apologize for not saying it well. Additionally, like all blog posts, this represented a personal opinion and not any sort of official consensus statement  from the scientific community, though I often consult with leaders of the scientific community when writing posts.

This was the first blog post in a very long time that I wrote in the proverbial “heat of the moment,” in the midst of a long argument with activists on Facebook and twitter. The discussion went way outside of the boundaries of polite conversation, and I received numerous personal attacks and a few threats. The hotel owners and the people who ate the shark in the photo also received plenty of threats, though all of the threatening tweets seem to have now been deleted. In short, I was exasperated.  I was in “argument mode” and not “educator mode”.

This was also the first blog post in a very long time that I published the day it was written. I normally like to leave a post alone for a day or two after writing it before looking it over again. I will often have other Southern Fried Science writers or scientific colleagues read posts before I publish them. That did not happen in this case.  I say all of this not to excuse my error, but to explain it.

Additionally, I was not saying that people eating a large Threatened species is totally insignificant. Many shark populations are being overfished, which is a big problem, and consumption is part of that problem. The point I tried to make was that he level of attention that this incident received was disproportionate to the level of threat it represented, that other issues  that are much more serious get much less attention, and that some of the tactics that activists used in this case were inappropriate and even harmful.

People felt that I was mocking, belittling, or insulting activists who felt that a photo of resort guests eating a shark represented a major conservation issue. That was not my intent and I truly apologize for presenting myself in that way.

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A photo of people eating a shark is upsetting activists for some silly reason

Posted on September 26, 2013September 30, 2013 By David Shiffman 42 Comments on A photo of people eating a shark is upsetting activists for some silly reason
Conservation, Science

davesquare

Photo via activist Andy Gray on Facebook, original photographer unknown
Photo via activist Andy Gray on Facebook, original photographer unknown

A photo of a single thresher shark being served for dinner at a resort is making the rounds among shark conservation activists. The photo, shown on the right, has been shared more than 12,000 times. A petition written in response to the image  (in French) has over 1,000 signatures. The story has even made it into the mainstream media. The original caption refers to this scene as “shameful and disgraceful”, while follow-up comments refer to it as “shocking,” “sickening,” “disgusting,” “beyond words,” “shameful,” and “barbaric.”  12,000 shares and a 1,000 signature petition is significantly more outrage than I’ve ever seen for any issue involving a single individual shark. Why, exactly, are activists so upset about it?

It can’t simply be reaction to the death of a single shark. If you believe that no sharks should be eaten ever (or that no animals should be eaten ever), that’s a perfectly valid belief system. You should be (and likely are) aware, however, that the overwhelming majority of the world, including almost all governments, the majority of the scientific community, and many NGOs, completely disagree with you. People have encountered photos of individual sharks being killed before, or pictures of sharks on a menu or for sale in grocery stores, and not reacted this strongly.

It likely isn’t the species of shark in question, either. This shark is either a pelagic thresher or a common thresher, and while both are considered Vulnerable to extinction by the IUCN Red List, they’re common components of shark fisheries. Thresher fisheries in U.S. waters are considered well managed (and that population is only “Near-Threatened”). Some of the comments say that “sharks are an endangered species,” which is nonsense, as there are over 500 species of sharks and most are not even Threatened. Regardless, a single individual animal doesn’t impact the population in any significant way.

Read More “A photo of people eating a shark is upsetting activists for some silly reason” »

Comments, Trolls, and Moderation

Posted on September 26, 2013October 28, 2013 By Andrew Thaler 2 Comments on Comments, Trolls, and Moderation
Blogging

It was an early winter’s morning in 2009. The participants of Science Online 2009 were slowly, wearily emerging from the haze of the night before — the reputation that marine science bloggers had livers of steel was not yet a stone-carved edict. We sat down for a session, I don’t remember which, that was ostensibly about managing commenters. This was they heyday of Web 2.0, the nascent social media ecosystem was in its early successional stages — no longer larval, but still bursting with untapped potential. Blogs were still king. There were earnest debates about whether Twitter or FriendFeed was a better platform.

Someone stood up, I don’t remember who, but they were certainly qualified, and made the startling (thought paraphrased) statement: “If you moderate comments, your legally liable for anything said in those comments. You’re only protected if you let all comments through.” This is not true, but it was certainly the mentality of the 2000’s, where comment threads were fast and loose. Newspapers took this advice to heart to such a degree that even the spam was left exposed to the world. Even today, articles on your local news site may boast more comments about how much money Freddy Fakename makes working from home than actual responses to the article.

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Shift: an adventure in marine science from the not-too-distant future

Posted on September 24, 2013October 27, 2013 By Andrew Thaler
Popular Culture

FleetCover1-REACHAs I never stop telling you, I’m writing a book. Fleet is a dystopian maritime adventure in which sea level rise and disease has driven the last survivors of the human race to sea. I’m releasing the story in serials — 3 chapters per month — on Amazon. Loyal readers who can’t wait for the next installment can slate their thirst with a series of short stories set in the world of Fleet that will be published on Southern Fried Science every few weeks. Please enjoy the second of these distractions, Shift, a story that takes place before the main events of Fleet and fills in some of the backstory surrounding the fleet.

A version of Shift appeared last year in Eno Magazine, but this iteration has been revised to fit into the world of Fleet.


150 years before the Great Hurricane.

The old winch groaned under the strain of a full net. Captain Willis sighed. A heavy haul was a bad sign.

“Well, that’s the last cast this season, probably the last I’ll ever do.” He said the same thing last year.

The net cleared the ship’s deck. It bulged with the unmistakable quiver of a thousand tire-sized jellies, each one a tiny ecosystem. We dumped them into the shaker tray that violently separated the worthless goo from the precious catch.

I grabbed a few jellies to measure before tossing them over the side. They were smaller this year, a good sign. Something was eating them.

I turned back to the shaker. The captain was smiling. At the bottom of the catch bin were eight hollow-eyed shrimp, the largest haul we’d had all week. Hollow-eyes were a luxury, favored by the new international elite, who, despite living in massive floating cities that circled the world, imported more seafood than any other demographic. Hollow-eyes were particularly desirable, as they had the dual caché of being both new to the world market and already extremely rare. At current market price, they would cover the repairs to the winch, with a little left over for fuel. We counted sixty-seven hollow-eyes in the Miss Amy’s hold. It had been a very good week.

Read More “Shift: an adventure in marine science from the not-too-distant future” »

Namibian Government Announces 18-month Moratorium on Seabed Mining

Posted on September 24, 2013October 27, 2013 By Andrew Thaler
Conservation, Science

Good news came out of Namibia last night, as the government declared an 18-month moratorium on all experimental seabed mining in Namibian waters, pending a more comprehensive environmental impact assessment. Pressure from both environmental groups and the fishing industry ultimately led to this decision. Both sets of stakeholders, as well as scientists and members of the international community, have legitimate concerns regarding the safety of seabed mining. This is the precautionary principal as it was meant to be implemented.

According to Swakopmund Matters, a seafloor mining protest group in Namibia:

The message conveyed by the Namibian decision is bold and clear. It will resonate throughout the world where battles are being fought against actions by mining companies that will harm, if not destroy, important marine areas. It will embolden all those who are standing up for the protection of their marine environments. But even more important, it will demonstrate to other governments that environmental concerns do take precedent over companies’ questionable actions when it comes to their exploitation of the oceans. Furthermore, that the Namibia government is not prepared to be a guinea pig for an untested and unknown endeavor. It refused to let its ocean and marine resources become the proverbial experimental playground.

(Source is a press release e-mailed to me.)

Read More “Namibian Government Announces 18-month Moratorium on Seabed Mining” »

Housekeeping note regarding weird torrent files

Posted on September 23, 2013October 27, 2013 By Andrew Thaler
Blogging

Several users have e-mailed me about a weird .torrent file that automatically started downloading when thy loaded the mainpage. According to Business Insider, this is the result of a bug/exploit in twitter’s share buttons. For the moment, we have disabled all twitter sharing buttons on the site. Please contact me here if you continue to … Read More “Housekeeping note regarding weird torrent files” »

News from the Fleet, plus the cover unveiling for episode 2: Wide Open

Posted on September 22, 2013October 27, 2013 By Andrew Thaler
Popular Culture

Last month I debuted Fleet: The Reach, the first part of my dystopian maritime science fiction adventure.  Part Two: Wide Open will be hitting the Amazon Kindle store in a few week. If you’ve read Fleet: The Reach and are are looking for a way to get your Fleet fix, you can check out the … Read More “News from the Fleet, plus the cover unveiling for episode 2: Wide Open” »

Happy Friday! Here’s some pictures of Blue Footed Boobies

Posted on September 20, 2013October 27, 2013 By Andrew Thaler
Science

This week we learned that several blue footed boobies were sighted along the California coast, a rare, but not unprecedented occurrence. The news reports flooding in reminded me of my own experience with blue footed boobies in the Galapagos, so I decided to dig out my old photo album (yes, this predates the age of digital cameras) and pull out the booby photographs. Here, for your Friday enjoyment, are a bunch of pictures of Blue Footed Boobies.

Photo by Andrew David Thaler.
Photo by Andrew David Thaler.

Read More “Happy Friday! Here’s some pictures of Blue Footed Boobies” »

Eleven Marine Organisms that would make Amazing Aquaman Villains

Posted on September 19, 2013October 27, 2013 By Andrew Thaler 2 Comments on Eleven Marine Organisms that would make Amazing Aquaman Villains
Popular Culture, Science

Physalia_physalis1
Physalia physalis. Public domain.

Black Manta. Ocean Master. The Trench. Scavenger. King Shark. Toxin. The Fisherman. Aquaman has had some pretty memorable villains over the last 80 years. Also, the Fisherman. This is Southern Fried Science, a blog famous for two things – inspiring the world with our unique blend of marine science and conservation and doing horrible, horrible things to Aquaman.

Catch me flounder for I have finned. It has been 98 days since my last Aquaman is Awesome post.

Sure, Black Manta has some pretty sweet gear, a compelling back story that justifies his hatred of the Atlantean king, and he looks like he’s poised for some serious awesome during DC’s Villains Month. The Trench even appear to be able to utilize chemosynthesis, when they’re not trapping dogs in cocoons. You know where I’m going with this, don’t you?

That’s right. No matter how ridiculous Aquaman’s comic book foes become, you can bet all your clams I’ll find real marine organisms that would make equally amazing villains. Here’s eleven of them.

Meet Man-o-War, the colonial killer that understands the value of teamwork.

Imagine a super villain composed of thousand of individual organisms that form one giant super-organism. Rather than a body filled with vital organs, this villain can take massive damage without a loss of ‘self’, only to spawn new minions to replaced the damaged parts. Now give this deadly foe 60-foot long venom-filled tentacles whose sting brings excruciating pain. Such a villain would certainly assume the identity ‘Man-o-War’.

The Portuguese Man-o-War (Physalia physalis), arguably the best known of the siphonophores (it is a cnidarian, but it is not a jellyfish) possess tentacles that unleash an unbelievably painful sting, the weapon of choice for our newest menace. But the weapon does’t make the man (o-war), and our villain has a strategic secret. Man-o-Wars are not singular animals, they are a colony of highly specialized polyps — each one an individual animal that combines to form a deadly super-organism.

The pneumatophore is a polyp the creates a gas-filled bladder for flotation. This produces the distinctive ‘sail’ of the Man-o-War, a bilaterally symmetric air sac that allows the colonial to remain at the surface and provides some propulsion by catching the wind. The sail is not just a sac of air, it also has defensive capabilities. When attacked, the sail is able to deflate, allowing the colony to sink below the surface and avoid predators. The gonozooids, which occur in tight clusters, are responsible for reproduction. Man-o-Wars engage in both asexual and sexual reproduction. Young colonies can reproduce clonally by budding, but as the colony becomes more mature, that gonozooids become sexually differentiated and release eggs and sperm to form new colonies. The gastrozooid takes care of all the digestion-related needs and surround the dastardly dactylozooids. Finally, the dactylozooids produce 10-meter (or longer!) tentacles that capture prey and drag them towards the gastrozooids. This is some serious teamwork.

Man-o-War even has minions. The shepherd fish is immune t the stinging tentacles and hangs out within the tentacles. The fish gains the protection of its lethal ally while the Man-o-War gets to use the shepherd fish as bait to lure other fish into its deadly trap.

Imagine Aquaman facing off against a colony of polyps that combine to form a deadly super-organism with massive stinging tentacles. Siphonophores have no nervous system, so Aquaman’s fish-talking power are useless. No matter how many dactylozooids, gatrozooids, and pneumatophores he destroyed, the gonozooids are there, churning out more.

But Man-o-Wars are not without their own predators, the largest of which is the enormous, cnidarian nom nom-ing Leatherback Turtle. Despite their size, leatherbacks are the largest live sea turtle, they survive exclusively on large numbers of jelly-like organisms — to the tune of the equivalent of eating 16 cucumbers per day. Leatherbacks aren’t the only animals that prey on Man-o-War, the salacious siphonophore has many foes, two of which join this list as super-villains in their own right.

Read More “Eleven Marine Organisms that would make Amazing Aquaman Villains” »

Blackfish: the Science Behind the Movie

Posted on September 18, 2013June 11, 2015 By Chris Parsons 13 Comments on Blackfish: the Science Behind the Movie
Conservation, Popular Culture, Science

Blackfishn649728329_1260668_3283

The Oscar-winning documentary “The Cove” told the story of the dolphin hunt in the Japanese town of Taiji. Dolphins there are driven into a shallow cove and killed for meat and other products, with a select few set aside alive for sale to dolphinariums. Many are now saying that this year’s documentary on killer whales (Orcinus orca) in captivity, “Blackfish,” will be nominated for next year’s Oscar. Documentaries rarely get many viewers in movie theaters, but Blackfish, which cost only $76,000 to make and was initially released at only five movie theaters, has already grossed about $2 million nationwide and has been ranked among the 10 best performing nature documentaries, which include “March of the Penguins” and the much vaunted IMAX-friendly “Earth” and “Oceans” documentaries.

Blackfish focuses on the four people who have been killed by captive killer whales, bad corporate behavior by marine theme parks (especially SeaWorld) and the ethics of keeping killer whales in captivity. The film focuses particularly on the story of Tilikum, a 12,000lb male killer whale who was captured from Iceland in the early 1980s, has been living at SeaWorld of Florida since 1992, and to date has been involved in the deaths of three people. His last victim, his trainer of six years Dawn Brancheau, was brutally dismembered after he pulled her into the tank with him on February 24, 2010.

Read More “Blackfish: the Science Behind the Movie” »

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