The world's ugliest animals - in pictures

Cheer up; you're a winner: The blobfish (Psychrolutes marcidus), a species that lives at great depths and is rarely seen but resembles a marine Jabba the Hut, has been voted the world's ugliest animal. It inhabits the deep waters off the coasts of the Australian mainland and Tasmania Photograph: REX/Greenpeace

Need a face lift? A naked mole rat Photograph: Antonio Olmos

Still popular with the ladies: after securing a huge harem of females a battle-scarred male southern elephant seal appears to chuckle at Gold Harbour, South Georgia, Antarctic Peninsula Photograph: Justin Hofman/Barcroft Media

A male proboscis monkey in Singapore. With a rather large nose, which is said to be attractive to its mates, it also has a very bloated and gassy stomach caused by its love of eating unripe fruit Photograph: Tim Chong/Reuters/Corbis

The Titicaca water frog, named after the South American lake where it lives, has also been dubbed the 'aquatic scrotum frog' Photograph: REX/Peter Oxford/Nature Pictur

Got my good side? A star-nosed mole Photograph: Ken Catania/Visuals Unlimited/Corbis

Eye-eye: a baby aye-aye, an unusual mammal native to Madagascar Photograph: REX/Lewis Whyld/REX/Lewis Whyld

The axolotl, a salamander that can regenerate its own limbs Photograph: Alamy

A mudmask might help: a warthog with red-billed oxpeckers standing on it in South Africa Photograph: Kerstin Geier/Getty Images/Gallo Images

Mirror mirror, who's the fairest of them all? Common celestial goldfish Photograph: Alamy

Sitting pretty: a kakapo, a giant flightless parrot, calling on Codfish Island in New Zealand Photograph: Alamy