WORLD'S UGLIEST ANIMALS

Conservationists believe the ugly fish should be listed as endangered.

WORLD'S UGLIEST ANIMALS

WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
WORLD'S UGLIEST ANIMALS
Although they looks like eels, hagfish are a fish -- really slimy ones. When captured and held by the tail, they escape by secreting slime, which turns into a thick and sticky gel when mixed with water. (Brandon Cole/Visuals Unlimited/Getty Images)
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