Hagfish

Hagfish, also called slime eels:

"... can exude copious quantities of a slime or mucus of unusual composition. When captured and held, they secrete the microfibrous slime, which expands into a gelatinous and sticky goo when combined with water."

"They are the only living animals that have a skull but not a vertebral column."

"Hagfish can feed upon and often even enter and eviscerate the bodies of dead and dying/injured sea creatures much larger than themselves. They are known to devour their victims from the inside."

"Hagfish are usually not eaten owing to their repugnant looks, as well as their viscosity and unpleasant habits."

"However, a particular species is valued as food in the Korean Peninsula. The hagfish is kept alive and irritated by rattling its container with a stick, prompting it to produce slime in large quantities. This slime is used in a similar manner as egg whites in various forms of cookery in the region."

Attacking shark gagged by hagfish slime:


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