Paleontologists have discovered the first detailed fossil of a hagfish, the slimy, eel-like carrion feeders of the ocean. The 100-million-year-old fossil helps answer questions about when these ...

You don’t need to have ever seen a hagfish to have an idea of a hagfish. I mean, it’s called a hagfish for crying out loud. The reality of this creature is more or less exactly what you probably ...

Hagfish and lampreys form the clade cyclostomes, the earliest branching lineage of the vertebrates. Although hagfish are generally assumed to have experienced intense modifications, its brain ...