European eels consume their own skeletons as they swim 6,000 kilometers to their spawning grounds. The process is depositing toxic metals in the eels' reproductive organs, threatening their survival.
Toxic metals found in reproductive organs of critically endangered eels
European eels consume their own skeletons as they swim 6,000 kilometers to their spawning grounds. The process is depositing toxic metals in the eels' reproductive organs, threatening their survi..
