First Satellite Tag on Ecuador Leatherback Reveals Ocean Gaps

First Satellite Tag on Ecuador Leatherback Reveals Ocean Gaps

By
Jamie Davis

Publish Date:March 31, 2026

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📰 The quick summary: Scientists have attached the first satellite tag to a leatherback sea turtle in Ecuador, opening a new window into how this critically endangered species moves through Pacific waters and where it needs protection most.
📈 One key stat: Eastern Pacific leatherbacks have declined by more than 90 percent since the 1980s, with fewer than 1,000 individuals estimated to remain today.
💬 One key quote: “Just as the morning star guides those who navigate the ocean, this turtle will help guide our understanding of leatherback movements and the future of their conservation in Ecuador and across the East Pacific,” said Kerly Briones Cedeño, president and director general of Fundación Reina Laúd.

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1️⃣ The big picture: Eastern Pacific leatherback sea turtles are among the most endangered marine animals on the planet, with their population having crashed by more than 90 percent since the 1980s and fewer than 1,000 individuals thought to survive today. A major threat to their survival is bycatch, as Ecuador hosts one of the largest artisanal fishing fleets in the eastern tropical Pacific, where large-mesh gillnets can entangle and drown turtles. Until now, satellite tracking efforts had focused primarily on nesting beaches in Mexico and Costa Rica, leaving a significant knowledge gap about how leatherbacks use waters farther south. Scientists recently filled part of that gap by attaching the first satellite tag to a leatherback sea turtle in Ecuador, naming her Lucero, meaning morning star in Spanish. The tag will transmit her location in near real time and record detailed dive data, helping researchers map where she travels and how deep she swims.

2️⃣ Why is this good news: For the first time, researchers can track exactly how leatherback sea turtles move through Ecuadorian waters, giving conservationists the precise data they need to design effective protections. Knowing where turtles are most vulnerable and when, based on migration, nesting and mating patterns, allows conservation efforts to become far more targeted rather than relying on guesswork. This kind of tracking data has already proven valuable along the Atlantic coasts of Panama and Colombia, where 24 tagged turtles helped identify critical habitats, map migration routes and inform strategies against coastal development threats. Expanding that work to Ecuador brings science closer to the goal of protecting leatherbacks across their full range in the eastern tropical Pacific. Beyond sea turtles, the data could also support protections for sharks, rays, whales, dolphins and seabirds that share the same waters and face the same fishing threats.

3️⃣ What’s next: With a National Geographic Society grant, the team plans to tag 10 leatherbacks in the region to build a fuller picture of their habitat use. Researchers hope to collaborate with local fishing communities to reduce bycatch by modifying gear or establishing marine protected areas. The satellite data from Lucero and future tagged turtles will feed into ongoing efforts by the Eastern Pacific Leatherback Turtle Conservation Network to protect the species before its population declines further.

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Read the full story here: Inside Climate News – Scientists Deploy First Satellite Tag on a Leatherback Sea Turtle in Ecuador to Better Reveal Gaps in Ocean Protection

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