Glass eel definitions

Glass eel

1) Elver 2) See-through swimmer 3) Young snakelike swimmer
Found on https://www.crosswordclues.com/clue/glass-eel

---

glass eel

(from the article `migration`) ...than three inches), a metamorphosis occurs. The leptocephali are transformed into so-called elvers, which are bottom-dwelling, pigmented, and ...
Found on http://www.britannica.com/eb/a-z/g/36

---