The hagfish is a slime-emitting ocean-dweller that's remained unchanged for 300 million years--and it shows. It has a skull (but no spine), velvet smooth skin, and a terrifying pit of a mouth that ...

"For a long time we've known that hagfishes can burrow into soft sediments, but we had no idea how they do it. By figuring out how to get hagfish to voluntarily burrow into transparent gelatin ...

An curved arrow pointing right. The Atlantic Hagfish is an eel-shaped creature that releases a mass of slime when threatened. The slime is so good at holding water that scientists are now studying ...