glass eel

glass eel (plural glass eels)

1. The transparent larva of an eel.
   • 2012, Caspar Henderson, The Book of Barely Imagined Beings, Granta Books, published 2013, page 69:

     When these glass eels enter freshwater they transform again into elvers – miniature versions of the adult eels.

• leptocephalus

• Slagelse