![]() ![]() The last stage of their lives, Cooke states, is mysterious, because researchers have been unable to find their breeding grounds and "still haven't observed mating in the wild, or found a single eel egg."Ĭooke adds that the leading theory of eel reproduction is that they reproduce by external fertilization, in which clouds of sperm fertilize free-floating eggs. In a TED Talk article available online, zoologist Lucy Cooke states that the life of the freshwater eel begins in the Bermuda Triangle and they then make their way to continental waters. The lack of data that researchers have on freshwater eel reproduction is well-documented. It also received thousands of likes and retweets on Twitter where it was reposted. The video has proved extremely popular, gaining 1.8 million likes and over 133,000 shares on TikTok. He adds: "We have never observed eels mating in captivity or in the wild." The user goes on to describe other aspects about eels that scientists are puzzled by, including that "if you dissect one and you look inside, you will not find sexual organs". He states: "We have been to the moon and yet we still do not know how eels sexually reproduce." ![]() The user relays facts about how little scientists know about the reproductive cycle of the eel species Anguilla anguilla, also known as the European eel or freshwater eels. On August 14, TikTok user ColeTheScienceDude published a video titled "We Don't Know Where Eels Come From." Eels have become a hot topic on social media as users discuss a compelling mystery about where they come from. ![]()
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