Happy Hagfish Day! These blind, eel-like animals have no jaw, produce a stinky slime to ward off predators, and eat mostly dead fish in the deep sea. Repulsive or fascinating?
Although “hagfish” includes the word “fish,” they are not true fish: their backbone is made of cartilage instead of bone and, thus, are not technically vertebrates.
Learn more about this fascinating animal from Smithsonian Magazine and your Ocean Portal: 14 Fun Facts About Hagfish