Mysterious Deaths of Smalltooth Sawfish in Florida Keys
Release Date: 04/10/2024
How To Protect The Ocean
Seagrass meadows may be the most powerful climate solution underwater, and almost no one is talking about them. Research published in Nature Climate Change shows that seagrass ecosystems store vast amounts of carbon in their sediments, sometimes for centuries. Unlike forests, much of this carbon is locked below ground in oxygen poor environments, reducing the risk of rapid release. But when seagrass meadows are degraded, that long-stored carbon can return to the atmosphere. A study in Science Advances demonstrates that large scale seagrass restoration can significantly enhance blue carbon...
info_outlineHow To Protect The Ocean
Ocean fish populations are under pressure, and public money is still part of the problem. The World Trade Organization adopted a Fisheries Subsidies Agreement to curb harmful funding tied to illegal fishing, but major loopholes remain. Billions of dollars in government support continue to prop up industrial fleets that contribute to overcapacity and overfishing. Research published in Nature estimates that governments provide approximately 35 billion USD annually in fisheries subsidies, with the majority considered harmful or capacity enhancing. While the WTO agreement marks progress, it does...
info_outlineHow To Protect The Ocean
Atlantic fish stocks sit at the center of a new political push to expand commercial fishing in federal waters. A recent U.S. executive action signals increased access for industrial fleets, raising critical questions about how economic policy aligns with science based fisheries management. The United States promotes its fisheries system as one of the most sustainably managed in the world, built on stock assessments, annual catch limits, and rebuilding plans overseen by NOAA Fisheries. Yet globally, more than one-third of assessed fish stocks are already overfished, according to the FAO. When...
info_outlineHow To Protect The Ocean
Microplastics are now found in the deepest ocean trenches, Arctic ice, seafood, drinking water, and even human blood. Headlines often claim that all plastics are toxic, but what does the science actually say? Recent research has detected microplastics in human lungs, placentas, and cardiovascular tissue, raising urgent questions about inflammation, chemical exposure, and long term health risks. At the same time, scientists caution that not all plastics behave the same way, and toxicity depends on polymer type, additives, breakdown processes, and exposure levels. This episode breaks down the...
info_outlineHow To Protect The Ocean
Marine Protected Areas are expanding faster than ever, but new research raises an uncomfortable question: are they actually protecting top predators? Satellite tracking of silky sharks shows that even inside designated protected zones, highly migratory species frequently move into heavily fished waters. If sharks cross invisible boundaries every day, how effective are those boundaries in the first place? Shark conservation and ocean governance collide when industrial fishing fleets concentrate along MPA borders and enforcement resources struggle to keep up. Studies reveal that some protected...
info_outlineHow To Protect The Ocean
Marine Protected Areas are expanding worldwide, but new research shows that protection on paper does not always translate to protection in reality. Satellite tracking of silky sharks reveals that highly mobile predators regularly cross MPA boundaries into heavily fished waters, exposing serious enforcement gaps. When fishing fleets concentrate along invisible ocean borders, even large reserves struggle to deliver real conservation outcomes. Shark conservation and ocean governance are at the center of this story. Studies published in peer-reviewed journals and vessel tracking data from Global...
info_outlineHow To Protect The Ocean
Coral Reef Recovery is happening faster than many scientists once believed possible, but only under the right conditions. Long-term monitoring from the Caribbean and Indo Pacific shows that reefs can regain coral cover and rebuild three-dimensional structure when fishing pressure is reduced, water quality improves, and protections are enforced. The idea that reefs are doomed after bleaching events is being challenged by real data collected over decades. Reef Resilience Science reveals that recovery is not random. Areas with healthy herbivore populations, strong marine protected area...
info_outlineHow To Protect The Ocean
Coral reefs can still show living coral cover and yet be ecologically collapsing beneath the surface. In this episode, we break down new coast-to-coast reef assessments from Thailand that reveal a critical warning sign: reefs are losing structural complexity even when coral is still present. Structural complexity, also known as rugosity, is what gives reefs their three-dimensional shape. That shape creates habitat for fish, supports predator-prey balance, fuels biodiversity, and protects coastlines from storms. New research published in Science and Nature Climate Change shows that repeated...
info_outlineHow To Protect The Ocean
Ocean-Human Health Connection is not just a theory, it is a reality unfolding beneath the surface of our coastal waters, and most people have no idea their wellbeing depends on a disappearing underwater meadow. In this episode, we explore how seagrass meadows clean the water we swim in, protect shorelines from storms, support the seafood we eat, and regulate coastal ecosystems that directly influence human health. If these habitats continue to vanish, the consequences will not stay underwater, they will show up in our food systems, our economies, and our communities. Seagrass Meadows are...
info_outlineHow To Protect The Ocean
What is ethical seafood, and why does it matter if fish can suffer in the systems designed to feed the world? As seafood consumption rises globally, most people never see what happens on fish farms or how ethical decisions are made behind closed doors. This episode asks a simple but uncomfortable question: if fish feel pain and stress, what responsibility do we have when we farm and eat them? Fish welfare in aquaculture is rarely discussed in public, yet it affects hundreds of millions of animals every year. In this conversation, we unpack how fish are raised, handled, and harvested, why...
info_outlineAndrew Luen discusses the concerning issue of small tooth sawfish dying in the Florida Keys. Listeners will learn about why this is happening, the rescue efforts in place, and how they can take action to help protect the ocean. Stay informed by signing up for the newsletter at speakupforblue.com/newsletter for more ocean-related stories, podcast updates, job opportunities, and news before it hits social media algorithms.
Link to article: https://www.nationalgeographic.com/animals/article/rescue-endangered-sawfish-spinning-florida
Connect with Speak Up For Blue:
Website: https://bit.ly/3fOF3Wf
Instagram: https://bit.ly/3rIaJSG
TikTok: https://www.tiktok.com/@speakupforblue
Twitter: https://bit.ly/3rHZxpc
YouTube: www.speakupforblue.com/youtube
The small tooth sawfish population in the Florida Keys is facing a critical situation due to a mysterious fish ailment, leading to a high mortality rate among these endangered species. Protected under the Endangered Species Act since 2003, the sawfish are experiencing unprecedented mortality rates due to this unknown culprit. Conservation efforts are crucial to prevent potential catastrophic consequences.
The small tooth sawfish, the first marine fish to receive federal protection under the Endangered Species Act, has been slowly recovering thanks to conservation efforts. However, recent reports of sawfish spinning in circles and dying have raised concerns among marine biologists and conservationists.
The entire U.S. population of sawfish relies on Florida, particularly the Florida Keys, as a critical habitat. The urgency of the situation stems from the risk of losing a significant number of these animals, potentially undoing decades of conservation progress. Collaborative rescue initiatives involving private aquariums, nonprofits, and government agencies like NOAA Fisheries are working diligently to capture and provide care for the affected sawfish.
The cause of the mysterious fish ailment affecting the sawfish population is still under investigation. Possible factors such as elevated sea temperatures, water quality issues, parasites, or other environmental stressors could be contributing to the mortality of these endangered species. The rescue efforts involve monitoring hotlines, blood samples, tagging, and capturing the affected sawfish to provide them with care in controlled environments until the issue is resolved.
Conservation efforts for the small tooth sawfish are crucial to prevent further decline in their population and potential extinction. The collaborative efforts of various organizations and experts highlight the importance of protecting and preserving endangered species like the small tooth sawfish to maintain the biodiversity and health of marine ecosystems.
Elevated sea temperatures and poor water quality are likely contributing factors to the recent deaths of multiple fish species in Florida, including the small tooth sawfish. The episode highlights the concerning situation where these sawfish are exhibiting unusual behavior, spinning in circles before succumbing to a mysterious ailment. This behavior is not isolated to the sawfish, as a total of 57 species in Florida have displayed similar spinning behavior since November 2023.
The episode discusses the potential causes of these deaths, pointing towards factors such as elevated sea temperatures and poor water quality. Florida has experienced record-high sea temperatures, exceeding 100 degrees Fahrenheit, which can stress marine species and make them more susceptible to diseases. Additionally, the presence of harmful microscopic organisms like dinoflagellates or bacteria in the water could be contributing to the decline in fish populations.
The impact of these deaths extends beyond the immediate loss of individual fish. The small tooth sawfish, an endangered species, plays a crucial role in the ecosystem, and conservation efforts have been successful in slowly rebuilding their population. However, events like these mass deaths could reverse decades of conservation progress and have catastrophic consequences for the species.
Efforts are underway to rescue affected fish species, including the small tooth sawfish, by capturing them and bringing them into captivity for monitoring and care. Water quality samples are being taken to investigate the cause of these deaths and to prevent future occurrences. The episode emphasizes the importance of addressing the root causes of these events, such as elevated sea temperatures and poor water quality, to protect marine species and their habitats in Florida.