At first glance, these primitive fish are striking thanks to their unusual appearance. With no fins or scales, these pinkish-gray fish look more like giant earthworms gone wrong with rows of frightful ...

Hagfish produce copious amounts of slime when attacked, which chokes predators’ gills in a gooey net. Scientists now know that mucus plays a critical role in hagfish slime’s remarkable clogging ...

They're sneaky. They're slimy. And they're hungry for meat. The hagfish, or slime eel, has earned its name due to its unique defense mechanism. When they are agitated, hagfish can secrete slime to ...

Slime plays an essential role in the lives of snails, hagfish and people alike. Adrienne Bresnahan/Moment via Getty Images But while slime is essential for all forms of complex life, its evolutionary ...

Hagfish are undoubtedly weird. Sometimes called slime eels, they aren’t actually eels. They are fish but have no scales or fins. Hagfish are the only vertebrates with no spine. They do have a skull, ...

Researchers found that the slime eel, or hagfish, known for deluging predators with mucus, tripled the size of its genome hundreds of millions of years ago. By Veronique Greenwood The hagfish, a ...

Douglas Fudge: Did you wanna look at some slime? Christopher Intagliata (tape): I was hoping you would say that. Fudge: Let me grab a bucket here. If you're enjoying this article, consider supporting ...