Myxini

Myxini

Myxini (pronounced: mix-ee-nee), also known as hagfish, are a class of jawless fish, the only known living animals that have a skull but no vertebral column.

Etymology

The term "Myxini" is derived from the Greek word "myxa", which means "mucus" or "slime", a reference to the notable slime-producing capabilities of these creatures.

Anatomy

Myxini are known for their unique anatomy. They possess a cartilaginous skull and tooth-like structures composed of keratin. Unlike other vertebrates, they lack paired fins and true vertebrae. They have elongated, eel-like bodies, and paddle-like tails.

Behavior

Myxini are known for their peculiar defensive mechanism. When disturbed, they secrete a slime from their skin that, when combined with water, expands into a gelatinous and sticky goo. This slime can clog the gills of predatory fish, thereby discouraging predation.

Habitat

Myxini are marine creatures, found in cold waters across the globe. They are benthic animals, meaning they live and feed on the sea floor.

Related Terms

• Jawless fish
• Vertebral column
• Keratin
• Paired fins
• Predation
• Benthic

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