Thanks for posting. I didn't even know what it was, so had to look it up.
https://en.wikipedia.org/wiki/Greater_sirenThe greater siren (Siren lacertina) is an eel-like amphibian. The largest of the sirens and one of the largest amphibians in North America, they measure around 1.5 cm (0.6 in) in length upon hatching and then grow to lengths ranging from 18 to 97 cm (7 to 38 in)...