Shark Week 2018 overall thoughts and episode reviews

The 30th anniversary of Shark Week was the biggest ever, with 22 episodes. It was, as usual, a bit of a mixed bag, though nothing was anywhere near as bad as the bad old days of Megalodon, and there was some pretty good stuff. As has become tradition here at Southern Fried Science, here are some overall thoughts on this year’s Shark Week, as well as reviews for each episode (not counting the clip shows, which I didn’t watch- even I have limits).

Overall thoughts:

  • I heard more references to shark conservation this year, though almost exclusively offhand references to how the Bahamas is a Shark Sanctuary (there was one mention of shark fin trade bans in the Shark Tank show).
  • There were more women scientists and non-white scientists than I can remember, but still some major issues with diversity of scientists. (The white male scientists were still treated differently, including being given their full titles, and in one case a white male with a Masters was called Dr. while a woman with a Ph.D. was not called Dr.).
  • 22 shows is too many shows. I may be the only one in the world who actually tried to watch them all and I had to skip the clip shows because even I have limits.

Rather than organizing episode reviews in chronological order or air date, this year I’m going to organize them by theme.

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ACTION ALERT: Protect Florida sharks from harmful fishing practices

After years of scientists and conservationists complaining about problems with common land-based shark fishing practices, the Florida Fish and Wildlife Conservation Commission is finally taking action! At their April meeting, FWC formally announced that they are considering revising regulations governing this activity with the goal of restricting the unnecessary and cruel handling practices that result in killing protected species of sharks.

(For background on this topic, please read my detailed open letter, or this summary of my research).

Here are the options that FWC is considering.

Examples of unequivocally illegal shark fishing from Shiffman and Friends 2017

 

How can you help? Either physically attend a workshop or send a formal comment online!

 

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Pirates, conch, and surfing scientists: Thursday Afternoon Dredging, July 19th, 2018

Cuttings (short and sweet): 

Spoils (long reads and deep dives):

Please add your own cuttings and spoils in the comments!

If you appreciate my shark research and conservation outreach, please consider supporting me on Patreon! Any amount is appreciated, and supporters get exclusive rewards!

Ice-free Arctic and salmon symphonies: Thursday Afternoon Dredging, July 12 2018

Cuttings (short and sweet): 

Spoils (long reads and deep dives):

Please add your own cuttings and spoils in the comments!

If you appreciate my shark research and conservation outreach, please consider supporting me on Patreon! Any amount is appreciated, and supporters get exclusive rewards!

5 things to know about sixgill shark teeth, this month’s 3D printed reward!

I recently unveiled a new tier of Patreon rewards: 3D printed shark and ray models!For $17 per month, you will get a monthly 3D printed educational model of different shark or ray parts in the mail, and you’ll be supporting my efforts to provide these models to schools for free.

This month’s reward is a tooth from Hexanchus griseus, the bluntnose sixgill shark, a member of the cowshark family!This particular specimen was scanned by Dr. Lisa Whitenack as part of her Ph.D. dissertation work on comparative evolution and biomechanics of shark teeth.

Figure from Whitenack et al. 2011, the sixgill tooth is the one in the lower right! This paper studied teeth of different shapes using Finite Element Analysis (FEA). When Lisa inputs the shape of the tooth, how elastic the tooth is, and how much force the tooth experiences into her computer program, FEA will map out stress on the entire tooth. High points of stress are where a tooth would be likely to break.

Learn more about the bluntnose sixgill shark and it’s unusual shaped teeth below!

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I asked 15 ocean plastic pollution experts about the Ocean Cleanup project, and they have concerns

The online ocean science community has been vocally skeptical about the Ocean Cleanup, a device that aims to physically remove plastic pollution from the ocean. Drs. Kim Martini and Miriam Goldstein published a technical review of its feasibility over at Deep Sea News, and Andrew asked some important questions that have yet to be answered. Also, be sure to read environmental journalist Chris Clarke’s thorough overview of these concerns.

Overall concerns include a lack of understanding of the problem (including but not limited to the fact that much of the harmful ocean plastic is small and well-dispersed), insufficient structural integrity for a large object that will be deployed in the open ocean (which would result in the object breaking and creating even more ocean garbage), and the fact that this device is designed to aggregate objects of a certain size to remove them from the water but cannot distinguish between plastic and living things.

Mainstream media coverage has been noticeably less critical of the Ocean Cleanup, often presenting the idea as revolutionary and it’s creator as a genius.

Artist’s conception of the Ocean Cleanup, from TheOceanCleanup.com

I am not an expert in ocean plastic pollution. However, the uncritical tone of most mainstream media coverage of the Ocean Cleanup does not seem to correspond with my impression of expert opinion on this matter from speaking with expert colleagues who study this.

Through professional contacts, I developed a list of 51 ocean plastic pollution experts who work in academia, government, and the environmental non-profit sector, and I sent them some questions about the Ocean Cleanup. 15 (4 in academia, 5 each in government and the non-profit sector, and 1 in industry) agreed to participate in an anonymous survey. While this is not (and not intended to be) an exhaustive survey of the entire field of ocean plastic pollution, the broad agreement among a diverse group of experts is telling. Below, please see what they had to say through some representative quotes. Some respondents chose to provide an on-the-record quote, while many chose to remain anonymous out of concerns about reprisal.

I also asked Lonneke Holierhoek, COO of the Ocean Cleanup, to respond to these concerns. Her comments are included in each section.

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5 things to know about stingray barbs, this month’s 3D printed reward!

I recently unveiled a new tier of Patreon rewards: 3D printed shark and ray models!For $17 per month, you will get a monthly 3D printed educational model of different shark or ray parts in the mail, and you’ll be supporting my efforts to provide these models to schools for free.

This month’s reward is the barb from a Pacific Cownose RayRhinoptera steindachneri. This particular specimen is a part of the Texas A&M University Biodiversity Research and Teaching Collection, and was scanned as part of the #ScanAllFishes project! 

I reached out to Heather Prestidge and Kevin Conway, curators of the Texas A&M collection. They told me that this particular specimen was collected in 1993 by John McEachran (author of the multi-volume “fishes of the Gulf of Mexico“) and Janine Caira (now a parasitologist at UConn). It was collected in Baja California, Mexico. Heather was pleased to learn that I was using their specimen for this project, and said “our specimens have an unlimited number of uses even after their primary project!”

Here’s a picture of another specimen of the same species from this collection, you can see why they’re sometimes called “Golden Cownose Rays”.

Photo courtesy Christian Jones, NOAA

Here’s a CT scan focusing on the barb, from the Virtual Natural History Museum.

Learn more about the Pacific cownose ray and the science behind stingray barbs below!

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Obama’s ocean monuments, deep diving seals, and sustainable US fisheries: Thursday Afternoon Dredging, May 24th, 2018

Cuttings (short and sweet): 

Spoils (long reads and deep dives):

Please add your own cuttings and spoils in the comments!

If you appreciate my shark research and conservation outreach, please consider supporting me on Patreon! Any amount is appreciated, and supporters get exclusive rewards!

Plastic Free Fish, Chainsaw Lobsters, and Artificial Horseshoe Crab Blood: Thursday Afternoon Dredging, May 17th 2018

Cuttings (short and sweet): 

Spoils (long reads and deep dives):

Please add your own cuttings and spoils in the comments!

If you appreciate my shark research and conservation outreach, please consider supporting me on Patreon! Any amount is appreciated, and supporters get exclusive rewards!

Seafaring neanderthals and switchblade fish: A mega Thursday Afternoon Dredging, May 10th, 2018


After two weeks off, we’re back and bigger than ever!

Cuttings (short and sweet): 

Spoils (long reads and deep dives):

Please add your own cuttings and spoils in the comments!

If you appreciate my shark research and conservation outreach, please consider supporting me on Patreon! Any amount is appreciated, and supporters get exclusive rewards!