innovatao t1_isoqnud wrote
So Eels live in remote lake A. They ALL go to sea way over there. They all spawn the next generation. Then ALL the adults die. All of them. The kids then all travel back to the same Remote Lake A (TM)??? Do they leave a brochure to tell them where their ancestral home is? A map? That's so cool but wow.
svladcjelli42 t1_isov0zz wrote
All the eels from all over the world go to the same patch of ocean. How do they know which lake they're supposed to return to?
yofomojojo t1_ispbrvw wrote
"Hey hun, had to go out and die real quick, feel free to eat our leftovers for dinner. We left directions somewhere in the Sargasso Sea. Take care, Mommy and Daddy <3"
OlafEriksen t1_iss8rvg wrote
Almost true, as some eels in the Pacific Ocean breed around New Caledonia :
>The spawning takes place in extremely deep tropical water in an ocean
trench, which can be up to 10 kilometres deep and is found at the edge
of the ocean shelf surrounding New Caledonia. (Source)
They still travel hundreds to thousands of km to breed, but not in the Saragossa Sea.
CynicalBrik t1_ispgvga wrote
To my knowledge eels do not home in on the same specific body of fresh water. They are pretty much like the inverse salmon. Eels home in on one spesific area of the sea and then the offspring goes to some freshwater body that they can get to, disregarding where their parents came from. Salmon on the other hand go to the sea and chill around anywhere where there is food and then return to fresh water to the spesific area where they were born.
E: a word
jerudy t1_isrj3ru wrote
Not remote lakes though, the interest in this story locally is bc these eels are well known inhabitants of the mini wetlands in major city parks in Sydney like Centennial Park and Victoria Park.
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