DANTE FENOLIO / SCIENCE PHOTO LIBRARY DANTE FENOLIO / SCIENCE PHOTO LIBRARY
Many eels pass through a larval stage known as a leptocephalus larvae (plural: leptocephali). The stage can last from months to years depending on the species and prevailing environmental conditions. The Sargasso Sea and the Gulf of Mexico are key reproductive and larval stage areas for several species of eel, including a number of freshwater species that return to the sea to breed. This is a larval individual (Acromycter cf perturbator) has passed through the leptocephalus stage and is changing into an adult form. It was captured in a trawl between 1,500 and 1,200 meters depth in the Gulf of Mexico, 2016. Image courtesy of the DEEPEND project.`.
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