Curious about the Leafy Sea Dragon (Video)

What if... there were a creature called a leafy sea dragon? Where would it live? What would it look like? What would it eat!

https://www.youtube.com/watch?v=M3rrozfY8QU

Video from What If Curiosity's YouTube channel getting curious about the Leafy Sea Dragon.

Photo Credit: https://commons.wikimedia.org/wiki/File:Leafy_Seadragon_on_Kangaroo_Island.jpg

Image by Julie Benbassat for The Screaming Hairy Armadillo