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Study shows European eel migration not as uniform and simple as thought

(Phys.org)—A team of researchers from across Europe has found that European eels do not spawn in the Sargasso Sea as a single reproductive cohort in the spring—instead, they found that some of the eels take much longer to reach their destination, and because of that, wait till the following year to spawn. In their paper published in the journal Science Advances, the team describes how they attached electronics tags to a large number of the eels to monitor their activity over the course of 10 years and what the data revealed.
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