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Профиль

David Shiffman, Ph.D. 🦈

Профиль Vively

I am a marine conservation biologist studying sharks and a science writer. Posts are about science and the environment, science communication, and more! He/him

ICYMI, 2 years ago I wrote about the physics of thresher shark's incredible tail-whip behavior www.southernfriedscience.com/heres-how-th...

Here’s how thresher sharks whip their tails back and forthA new study breaks down the biomechanics of one of the marine world’s most unusual hunting behaviors. Thresher sharks have one of the strangest body plans of any fish, with almost half their body c…www.southernfriedscience.com
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Assessing the Vulnerability and the Stock Status of the Bluntnose Sixgill Shark, Hexanchus griseus, in North-Eastern Tunisia (Central Mediterranean) Using Data-Limited Models doi.org/10.1002/aqc....

Assessing the Vulnerability and the Stock Status of the Bluntnose Sixgill Shark, Hexanchus griseus, in North-Eastern Tunisia (Central Mediterranean) Using Data-Limited Modelsdoi.org
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Reproductive behaviour of whitetip reef sharks Triaenodon obesus in the Revillagigedo Archipelago, Mexico link.springer.com/article/10.1...

Reproductive behaviour of whitetip reef sharks Triaenodon obesus in the Revillagigedo Archipelago, Mexico - Environmental Biology of FishesThe whitetip reef shark, Triaenodon obesus, is a placental, viviparous shark that is a representative of coral and rocky reefs along the Pacific Ocean. Observations on its reproduction have been made…link.springer.com
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Testing the effectiveness of an electrosensory deterrent on spiny dogfish (Squalus acanthias) through laboratory experiments doi.org/10.1016/j.fi...

Testing the effectiveness of an electrosensory deterrent on spiny dogfish (Squalus acanthias) through laboratory experimentsdoi.org
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I Will Love You to Death: A Divemaster’s View on Coral Tourism Diving on coastal reefs can bring us closer to nature and inspire conservation, but there are steps every ecotourist can take to make it safe and sustainable. therevelator.org/coral-tourism/

I Will Love You to Death: A Divemaster’s View on Coral Tourism • The RevelatorDiving on coastal reefs can bring us closer to nature and inspire conservation, but there are steps every ecotourist can take to make it safe and sustainable.therevelator.org
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Climate Attribution in Fishery Stock Assessment: Case Studies From the Northeast U.S. Groundfish Stocks doi.org/10.1111/faf....

Climate Attribution in Fishery Stock Assessment: Case Studies From the Northeast U.S. Groundfish Stocksdoi.org
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ICYMI: My second book is now available for preorder! Here's what it's about and why I decided to write it. www.southernfriedscience.com/why-sustaina...

“Why Sustainable Seafood Matters” is now available for preorder! Here’s what it’s about, and why I decided to write it.I am thrilled to announce that “Why Sustainable Seafood Matters,” my second book, is now available for preorder through my publisher Johns Hopkins University Press! Use code HWSSM for 3…www.southernfriedscience.com
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My Journey Into Researching Historical Erasure on Public Lands – Southern Fried Science

My Journey Into Researching Historical Erasure on Public LandsMost people know me for my work on ocean conservation, Indigenous-led stewardship, and marine protected areas. Over the past year, however, I have found myself increasingly drawn into a different b…www.southernfriedscience.com
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Global trade responses to shark finning regulations | Nature Communications

Global trade responses to shark finning regulations - Nature CommunicationsThe study finds limited evidence that shark finning regulations alter global shark trade volumes. While overall effects are not significant, long-term trends suggest gradual trade shifts, including…www.nature.com
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Diet and resource partitioning of juveniles of the scalloped hammerhead scalloped hammerhead and the blacktip Carcharhinus limbatus sharks co-occurring in Southern Gabon doi.org/10.1016/j.rs...

Diet and resource partitioning of juveniles of the scalloped hammerhead scalloped hammerhead and the blacktip Carcharhinus limbatus sharks co-occurring in Southern Gabondoi.org
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This year’s Shark Week features someone jumping out of a helicopter and landing into a shark cage surrounded by sharks. It’s got my professional colleagues asking one question: why?

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Frontiers | Environmental DNA reveals potential trophic links at male sperm whale foraging sites in Northern Norway www.frontiersin.org/articles/10.... 🧪🦑🌎

Frontiers | Environmental DNA reveals potential trophic links at male sperm whale foraging sites in Northern NorwayDiet- and trophic studies involving whales are often challenging, particularly for deep-diving species that are difficult to observe while feeding. Recently,...www.frontiersin.org
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For the First Time, a Look at the Arctic Bobtail Squid in Its Natural Habitat

For the First Time, a Look at the Arctic Bobtail Squid in Its Natural HabitatFor the First Time, a Look at the Arctic Bobtail Squid in Its Natural Habitat: It’s cold down there, but life finds a waynautil.us
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UN regulator delays deep-sea mining rules, but extends criticized exploration contract

UN regulator delays deep-sea mining rules, but extends criticized exploration contractThe International Seabed Authority (ISA), the U.N.-associated regulator of seabed mining activities in areas beyond national jurisdiction, has extended a controversial deep-sea mining exploration…news.mongabay.com
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50 years after landmark laws, some U.S. rivers are recovering but threats remain

50 years after landmark laws, some U.S. rivers are recovering but threats remainHalf a century ago, a series of landmark federal laws started reining in water pollution. As a result, some rivers across the country are bouncing back to life, but threats to clean rivers remain.www.npr.org
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Just toured a coal mine by taking a car 300 feet underground. Absolutely fascinating history and perspective.

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Friends, if you're interested in signing up for my fall 2026 "Biology and Ecology of sharks" course, register by August 9th to save $75! (You can take this course for university transfer credit, or just for fun to learn something) www.centerforwildlifestudies.org/courses/p/bi...

Shark Biology and Ecology Online Course — Center for Wildlife Studieswww.centerforwildlifestudies.org
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