Smalltail Shark Population Plummets 80% Amid U.S. Protection Delays and Legal Action

March 1, 2025
2 mins read
Representative Image. Smalltail Shark. Photo Source: SEFSC Pascagoula Laboratory; Collection of Brandi Noble, NOAA/NMFS/SEFSC.
Representative Image. Smalltail Shark. Photo Source: SEFSC Pascagoula Laboratory; Collection of Brandi Noble, NOAA/NMFS/SEFSC.

The Center for Biological Diversity has filed a lawsuit against the Trump administration for failing to decide whether to protect smalltail sharks under the Endangered Species Act. These sharks, which inhabit the western Atlantic Ocean from Brazil to the northern Gulf of Mexico, have seen their global population plummet by more than 80% over the past 27 years.

“Smalltail sharks are spiraling toward extinction and need protection right now, not more delays,” said Lauren Parker, an attorney at the Center for Biological Diversity. “Extinction is forever, and we owe it to future generations to do everything we can to keep smalltail sharks in the Gulf of Mexico and the Atlantic Ocean.”

The legal action targets the National Marine Fisheries Service (NMFS), which announced in May 2023 that smalltail sharks might warrant protection but hasn’t issued a final decision. According to the lawsuit, the agency was legally obligated to decide by October 2023.

The situation is particularly dire in Brazilian waters, where most smalltail sharks live. Population numbers there have dropped by more than 90%. This dramatic decline puts the species at serious risk of following its close relative, the “lost shark” (also called the “false smalltail shark”), which is believed to be extinct.

Multiple Threats Facing Smalltail Sharks

Several factors have contributed to the smalltail shark’s decline. Overfishing stands as the primary threat, with sharks being both directly targeted and accidentally caught as bycatch. Their meat is consumed locally while their fins enter the global trade market.

`As a species inhabiting shallow, coastal waters in tropical and subtropical regions, smalltail sharks face additional threats from climate change, habitat degradation, and exposure to pollutants. Current regulations to protect these sharks are either insufficient or completely absent in many regions.

The lawsuit aims to compel the NMFS to complete a consultation with the Bureau of Ocean Energy Management regarding its oversight of oil and gas operations that could impact threatened and endangered species like the smalltail shark.

Following any decision, the Service is expected to open a 60-day public comment period to gather input from scientists, conservationists, and the public about smalltail shark protection.


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Broader Context of Shark Conservation

The legal battle for smalltail shark protection reflects a growing concern about shark conservation worldwide. Despite surviving for approximately 420 million years and enduring at least five mass extinctions, more than one-third of all sharks, rays, and chimeras are now threatened with global extinction.

Parker emphasized the urgency of the situation: “Trump’s reckless cuts to the agencies responsible for conservation and for helping the international community could have real consequences for animals on the brink like smalltail sharks.”

The Center for Biological Diversity’s October 2022 petition had requested not only listing the smalltail shark under the Endangered Species Act but also designating critical habitat and issuing protective regulations for similar-appearing species.

Frequently Asked Questions

What is a smalltail shark and where does it live? The smalltail shark is a species that inhabits nearshore waters of the western Atlantic Ocean, ranging from Brazil to the northern Gulf of Mexico. It typically lives in shallow, coastal tropical and subtropical areas.
How endangered are smalltail sharks? Smalltail sharks have experienced a dramatic population decline of more than 80% globally over the past 27 years. In Brazilian waters, where most of them live, the population has declined by more than 90%.
What is threatening smalltail shark survival? The main threat is overfishing – both targeted fishing and accidental catch as bycatch. Their meat is consumed locally, and their fins are traded globally. They also face threats from climate change, habitat degradation, and exposure to pollutants.
What is the Endangered Species Act and how would it help? The Endangered Species Act is a U.S. law that provides protection for species at risk of extinction. If smalltail sharks receive protection under this act, it would create legal safeguards against activities that harm them and potentially designate critical habitat areas.
What is the lawsuit about? The Center for Biological Diversity is suing the Trump administration because the National Marine Fisheries Service failed to make a decision about protecting smalltail sharks by October 2023, despite being legally required to do so.
What happens after a decision is made? After a decision is made, the National Marine Fisheries Service will open a 60-day public comment period where scientists, conservationists, and the public can provide input on smalltail shark protection.

Rahul Somvanshi

Rahul, possessing a profound background in the creative industry, illuminates the unspoken, often confronting revelations and unpleasant subjects, navigating their complexities with a discerning eye. He perpetually questions, explores, and unveils the multifaceted impacts of change and transformation in our global landscape. As an experienced filmmaker and writer, he intricately delves into the realms of sustainability, design, flora and fauna, health, science and technology, mobility, and space, ceaselessly investigating the practical applications and transformative potentials of burgeoning developments.

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