Dr. David ShiffmanVerified account

@WhySharksMatter

Research scientist Scientific/environmental consultant. Science writer. Research associate at , opinions mine not ASU’s. He/him

Washington, DC
davidshiffmancv.com
Joined August 2009
15.7K Photos and videos Photos and videos

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  1. Pinned Tweet
    14 Aug 2019

    Live workup of a blacknose shark with the team in Florida!

    13 replies . 22 retweets 220 likes
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  2. Retweeted
    3 hours ago

    Kitefin shark finds out about hagfish slime the hard way 📸Reddit

    1 reply . 23 retweets 71 likes
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  3. 1 hour ago

    “There’s more information about deep sea sharks than about perimenopause.” -Tracee Ellis Ross on this week’s blackish

    1 reply . 3 retweets 19 likes
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  4. 1 hour ago

    The Amity Island police department beach patrol is hiring! If you are a CDC employee concerned about lessened public health and safety guidelines…please do not come work here!

    1 reply . 1 retweet 11 likes
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  5. 1 hour ago

    The relationship between dietary trophic level, parasites and the microbiome of Pacific walrus (Odobenus rosmarus divergens)

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  6. Retweeted
    4 hours ago

    Ultrasounds are included in the health assessments of the white sharks we study on the lift. The imaging of the sharks’ hearts and reproductive organs is vital to our research efforts and helps us assess the animal’s overall health and stage of life.

    2 replies . 9 retweets 50 likes
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  7. 3 hours ago

    After two weeks, we’re back to masks on required at Georgetown. I (and the majority of my students) were wearing masks the whole time

    1 reply . 1 retweet 24 likes
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  8. Retweeted
    16 hours ago

    6 years ago, was sampling shrimps and crabs from estuaries across Western Europe. Today, we can read this nice trophic study published in . With , & R. Lollobrigidi.

    5 retweets 23 likes
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  9. 5 hours ago

    Geospatial assessment of freshwater invasive species to inform turtle conservation and management

    3 likes
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  10. Retweeted
    6 hours ago

    Today, FSU's Intro to Scientific Diving class held their underwater physics lab, including demonstrations of Boyle's Law and Archimedes' Principle. The class also practiced deploying surface signal buoys, tying knots, and assembling an underwater puzzle. (1/2)

    1 reply . 1 retweet 8 likes
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  11. Retweeted
    6 hours ago

    For

    4 replies . 12 retweets 89 likes
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  12. Retweeted
    Apr 5

    Journos aboard a shrimp boat in Palacios, TX, learning how shrimpers avoid catching endangered sea turtles and fish. Glad to be back in person thanks to ⁦⁩ ⁦⁩

    2 replies . 8 retweets 17 likes
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  13. 6 hours ago

    I am not the “who counts as a real scientist” police, but a person who charges money to take tourists swimming with sharks while not collecting data of any kind (or allowing others to collect data) is running a wildlife tourism business and is not doing science.

    3 replies . 10 retweets 143 likes
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  14. 6 hours ago

    Inbox: you ask for photos of peoples shark office decor, stickers, etc., why not shark tattoos? Answer: I did that once. Not everyone’s shark tattoos are in PG-13 locations on their bodies, and not everyone with a tattoo in such a location is shy about sharing photos of it.

    29 likes
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  15. Retweeted
    Apr 5

    📣Next week , experts from around the world will speak up , launching a new agenda for coral reef conservation. The side event will highlight commitments in Pacific action, sustainable finance, and 30x30 - all aimed at protecting the future of coral reefs.

    , , and 7 others
    13 retweets 27 likes
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  16. Retweeted
    21 hours ago

    The Grey reef shark (C. amblyrhynchos) was upgraded to Endangered on the IUCN Red List in 2020. 63% of Seychelles' elasmobranchs are classified as threatened making Seychelles an elasmobranch hotspot. Read more about Seychelles' elasmobranchs here:

    10 retweets 24 likes
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  17. Retweeted
    7 hours ago

    Today in , my summary of the AR6 Working Group III report on climate mitigation (my favorite subject!). It includes some good news and some bad. Article and thread 🧵 follow [1/7]:

    2 replies . 25 retweets 45 likes
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  18. Retweeted
    9 hours ago

    They're snails and they flap around the ocean THEY'RE LITTLE FLAPPING SNAILS 😭😭😭

    0:10
    Bats do not just fly in the sky - here we have the cute little ‘sea bats’ Video taken by Patricia Thibodeau showing Limacina helicina pteropods swimming around - originally collected in Antarctica
    24 replies . 556 retweets 2,396 likes
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  19. Retweeted
    8 hours ago

    Come work at the beach! Three of these positions are based at UNC’s marine lab.

    female scientist with a mask on pulls a measuring tape from a rocky outcrop along sand into the seagrass - a small sliver of ocean can be seen and a bright blue sky in the background
    Looking for a job? Check out our employment board! Open positions include: 1. Postdoc - rocky shore hydrodynamics 2. Postdoc - viral pathogens/wastewater 3. Research tech - hydrology 4. Research tech - water quality
    7 retweets 8 likes
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  20. Retweeted
    8 hours ago

    Did you miss our webinar this morning, "Fish Wars & Blue Conflicts"? Watch the speakers and discussants portion here:

    1 retweet 5 likes
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  21. 8 hours ago

    The potential consequences of ‘bee washing’ on wild bee health and conservation

    4 retweets 5 likes
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