Amber-like substance
Colorful wings;
Fins on its head;
Long spines along back;
Long horns;
Barbles
Siren-like luring song;
Mimicking sounds;
Immobilizing it's prey
Immunity to eels
Large: 75 feet (22.9 meters) long
85 feet (25.9 meters)
Not certain
Bog of the Loud Whisper
Clattercliff Island
Yes