🌊The dominant location of sargassum is shifting according to a study published in Nature Geoscience. While some regions such as the Caribbean have experienced unprecedented growth of sargassum, the historic location of the seaweed in the Sargasso Sea has seen drastic declines in the past decade.

Greetings from across the pond 🌊 Faculty, staff, students and alumni from the College of Marine Science recently shared their latest research at the AGU's Ocean Sciences Meeting in Glasgow, Scotland.

🌊Gag groupers are an angler favorite in the Gulf — but right now, they’re overfished 🎣 Learn how a new model from University of South Florida and Fish and Wildlife Research Institute may improve management of this struggling species. www.usf.edu/marine-scien...

Great seminar by Bob Morris @cmarinescience.bsky.social today! @cninaphore.bsky.social and I are lucky to be collaborating with him on the hunt for SUP05 phage #NSFfunded #phagesky 🦠🌊

🌊We thought it was cold here… ❄️ Meanwhile, @margaretbrisbin.bsky.social is in the Weddell Sea aboard the R/V Sikuliaq, studying how melting Antarctic sea ice is reshaping microbes and ocean life as part of NSF-funded research 🌊🧪

🌊🧪 At the 2026 State of Science, Steve Murawski of the University of South Florida College of Marine Science shared insights from the Tampa Bay Surveillance Project, which is studying contaminants in local waters and their impacts on ecosystems and community health.

🌊🐚 Where do seashells come from? Tom Frazer, dean of the USF College of Marine Science, explains the science behind this familiar beach question and how each shell tells a story in a new article for @theconversation.com @floridamuseum.bsky.social theconversation.com/where-do-sea...

No new science news from us bc we’ve been “Shackletoned”-stuck and drifting with the ice for a few days now. Hoping a big storm will blow us out tomorrow so we can finally get back to work! Drone photo is by Dr Ellen Buckley, diatoms & filmentous ice algae are from the ice station #oceanography 🐧🇦🇶🌊

🌊AI meets ocean science 🌎 New research led by USF and NOAA reveals a global rise in floating algae, signaling a major shift in ocean conditions with wide-ranging impacts on ecosystems, tourism, and coastal economies. www.usf.edu/marine-scien...

🎉 Congratulations to Chuanmin Hu on his recent election as a Fellow of The Oceanography Society! Hu was nominated for his work on optical oceanography and satellite remote sensing. Among Hu’s contributions is his landmark work characterizing the Great Atlantic Sargassum Belt.

Applications are still open!

Happy New Years All! I am so excited to share the very first preprint from my lab: www.biorxiv.org/content/10.6... - from @lydiaruggles.bsky.social's thesis-also my first student 😊. tldr: Only bacteria collected during a Pyrodinium bloom rescued Pyro from B12 limitation #microbialsky #microsky 🦠🧪🧬🌊

🌊 The USF College of Marine Science and Saildrone teamed up to develop more efficient methods of collecting sound speed profiles, critical data that improves seafloor mapping models. Read more about the collaboration here: www.usf.edu/marine-scien...

🌊We're hiring! The College of Marine Science is seeking a tenure-track faculty member in Geological Oceanography, with an emphasis in hydrography or marine geophysics. Learn more about the position and how to apply at the link below. fa-ewkd-saasfaprod1.fa.ocs.oraclecloud.com/hcmUI/Candid...

The College of Marine Science is in the big Easy! Come visit our booth at @agu.org to connect! #AGU2026

We were so excited to host the City of St Pete Mayor, Ken Welch, at the USF College of Marine Science outreach center, Clam Bayou Marine Education Center! During his visit, Mayor Welch was able to observe the students as they engaged in hands-on field work.

A new study published this week in Nature Geoscience found that while tropical Atlantic is experiencing a significant increase in sargassum, abundance of the seaweed is declining in its historic habitats of the Gulf and Sargasso Sea. www.usf.edu/marine-scien...

🌊At the International GEOTRACES Programme Summer School in Cape Town, College of Marine Science Associate Professor @marmite-usf.bsky.social Tim Conway helped train the next generation of chemical oceanographers, sharing his expertise on trace metals and marine biogeochemistry.

#WCMB2026 #ScientificCommittee Frank Muller-Karger from @cmarinescience.bsky.social studies coastal and marine ecosystems including water quality, biological production, biodiversity, climate change, and human activities. www.wcmb2026.org/sccombio#Fra... @unoceandecade.bsky.social @vliz.be

🌊 🐚What can seashells tell us? A new article in The Conversation co-authored by Tom Frazer, professor and dean of the College of Marine Science, explores how seashells can act as a historical record of seagrass health. theconversation.com/seashells-fr...

🌊Melting ice sheets in North America drove the rise in global sea level at the end of the last ice age more than scientists previously thought, according to new research published this week in Nature Geoscience. www.usf.edu/marine-scien...

🌊In a new study co-led by USF professor @oceanandclimate.bsky.social Patrick Rafter, researchers used forams from the Pliocene to show that warming in the tropical Pacific may not trigger the severe decline in nutrients predicted by earlier models. www.usf.edu/marine-scien...

🌊CMS graduate student Angelique Rosa Marín is using forams to evaluate water quality in Puerto Rico. To teach others about her research, she developed an educational module for OCELOTS a NSF funded program that provides free and accessible learning resources. www.usf.edu/marine-scien...

🌊 Congratulations to Chuanmin Hu, Distinguished University Professor, on being elected a 2025 Fellow of @agu.org ! 🌎 👏 Chuanmin was selected for his transformative contributions in optical oceanography and satellite remote sensing with profound ecological, economic, and societal impacts.

🌊 Congrats to Frank Muller-Karger, Distinguished University Professor, on his second term with NOAA’s Ocean Exploration Advisory Board!

🌊Thanks to Michael Paluska of Tampa Bay 28 for visiting our campus and highlighting the College of Marine Science's exciting and important research on rapid intensification! www.youtube.com/watch?v=9hXY...

🌊 From fresh faces to seasoned experts, the 2025 Faculty Seminar featured faculty whose research is driving meaningful impact. www.usf.edu/marine-scien...

🌊 At the USF College of Marine Science, experts are hard at work uncovering the causes of the Great Atlantic Sargassum Belt, measuring its impacts, and helping vulnerable communities prepare. www.usf.edu/marine-scien...

Do you love phage? I have an opening for a postdoc in my lab at the University of South Florida College of Marine Science (@cmarinescience.bsky.social) looking at interactions between marine phage and iron, which is an important limiting trace metal in the oceans (1/5) 🧵#phagesky 🦠🌊

🌊 Meet Luis Sorinas Morales a physical oceanography student who is graduating with his PhD from the College of Marine Science this semester. www.usf.edu/marine-scien...

🌊How did a crucial “pressure point” in the Gulf lead to a stronger Hurricane Ian in 2022? Find out here: www.usf.edu/marine-scien...

🌊Telemundo 49 joined us on a research cruise to film the science behind deploying buoys to track ocean currents. This Spanish-language documentary shows how the College of Marine Science helps monitor oceanic conditions critical for hurricane forecasting. www.telemundo49.com/noticias/loc...

🌊A recent study led by researchers at USF’s College of Marine Science shows that water discharged from rivers can play a role in fueling hurricanes, such as Hurricane Idalia, and may help improve future forecasting efforts.  www.usf.edu/marine-scien...

🌊A study by @marmite-usf.bsky.social USF College of Marine Science and @universityofhawaii.bsky.social researchers shows that industrial iron from Asia is fueling spring phytoplankton blooms in the North Pacific Transition Zone—an area critical for Pacific fisheries. www.usf.edu/marine-scien...

🌊 It’s World Ocean Month! 🌊 All month long, we’re celebrating the incredible researchers at the USF College of Marine Science who are expanding our understanding of the ocean through cutting-edge, world-renowned science.

🌊 Join us in celebrating three exceptional members of the USF College of Marine Science: Joe Donnelly, Boris Galperin, and Teresa Greely. With decades of service, each has contributed significantly to advancing research, empowering scientists, and supporting community.

🌊 Ocean physics affects more than you think—from red tides to storm surge. In "Climate to a Fish Sandwich: Why We Study the Ocean’s Circulation", USF's Dr. Robert Weisberg explains why ocean circulation matters—for all of us. www.usf.edu/marine-scien...

The CMS is now on LinkedIn — and we’re thrilled to connect with you! 🎉 Follow us to stay up to date on ocean research, student and faculty achievements, career opportunities, and everything happening at the heart of marine science in the Southeast. www.linkedin.com/company/univ...

The season finale of the Rising Tides Podcast is available now! This week, Nicole Raineault, associate director of research and technology at the Florida Institute of Oceanography, will explain the ROV Taurus and its use in studying the deep sea. shows.acast.com/the-rising-t...

Congratulations to Patrick Rafter, assistant professor of chemical oceanography, who in 2024 was selected as a Kavli Frontiers of Science Fellow of the @nasonline.org Way to go, @oceanandclimate.bsky.social www.nasonline.org/news/nas-sel...

🌊For the first time, researchers have identified viruses in red tide blooms, harmful algae that can cause fish kills and respiratory problems for beachgoers. The study may lead to a better understanding of red tide events. www.usf.edu/marine-scien...

🌊New podcast just dropped! Listen to the “Rising Tides Podcast” to learn about Sargassum and new methods of tracking the seaweed’s spread. www.usf.edu/marine-scien... 🌊

🌊 Brad Siebel, professor of biological oceanography at CMS, was recently elected as an AAAS Fellow for his contributions to marine animal physiology and ecology research. Congratulations, Brad!

🌊 Scientists have been divided on the causes of the Great Atlantic Sargassum Belt. But a new study in Nature Communications by CMS researcher may have identified what drove a tipping point that brought Sargassum to the Caribbean.

🌊Happy World Water Day! At CMS, we're dedicated to unlocking the mysteries of Earth's waters—from rivers and estuaries to seas and oceans. By studying the 70% of our planet covered in water, we're gaining deeper insights into the factors that shape life on Earth.

🌊Margaret Mars Brisbin, CMS assistant professor, recently participated in a Tampa Bay Times hosted panel Diving Deep: How We Can Improve Tampa Bay’s Water Quality. Way to go, Maggi! timestotalmedia.wixsite.com/spotlight-ta...

🌊Join CMS Assistant Professor of biological oceanography Margaret Mars Brisbin this evening for the Tampa Bay Sustainability Series, where she will be part of a panel discussing the future of Tampa Bay's water quality and supply. Reserve your free ticket here: mytbtickets.com/events/divin...

Congratulations to Hallie Repeta, a CMS doctoral student, on being awarded the Guy Harvey Fellowship! This funding will support Hallie’s research as she uses modeling to explore the ecological connectivity forage fish populations on the West Florida Shelf. www.flseagrant.org/meet-the-202...

It's the month of love! Here are 5 reasons to love the ocean 💙

🌊A world-renowned oceanographer, Pamela Hallock Muller’s incredible career has spanned 41 years at the USF College of Marine Science. She sat down to reflect on her journey, legacy, and recent recognition as a Distinguished University Professor. www.usf.edu/marine-scien...