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Scientists discover toxic metals in reproductive organs of endangered eels

The European eel, scientifically known as Anguilla anguilla, is a catadromous fish — meaning it spawns and is born at sea before moving toward freshwater to eat and grow. Throughout their lifespan, these fish travel thousands of miles searching for food while going through several life stages, each marked by a change of color. Once they are ready to spawn, the eels make the journey back to where their lives began in order to make way for the next generation. These eels used to be widely distributed within European waters. However, they have been exploited to the point that the International Union for Conservation of Nature (IUCN) deemed them a critically endangered species. Experts have noted that the number of eels returning to Europe from their spawning grounds in the Sargasso Sea has declined by over 90 percent since the 1980s. Now, recent research has discovered another threat to the survival of this particular species. Read more.....

 

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