Top 10 Worst Living, Extinct, or Fictional Creatures to Have as Pets

We all love pets, right?

Well, there are many real (including extinct animals) and fictional species that would make great pets. However, we're not here for that. In this list, we're looking at species, real and imaginary alike, that would make the worst pets.

1. Demon

   

   Any demon from myths and pop culture, although they are just imaginary, would make really terrible pets. For one, they're pure evil. And another, they are said to be extremely dangerous.

2. Vampire

   

   A terrible idea to keep these as pets, since they would attack and drink anyone's blood, and could potentially turn their victims into vampires.

3. Argentinosaurus

   

   Argentinosaurus is a genus of giant titanosaur sauropod dinosaur from the Late Cretaceous period. It is known from fragmentary remains discovered in the Huincul Formation of Neuquén Province in Argentina. The first fossils were found in 1987 by rancher Guillermo Heredia, and the dinosaur was formally... read more

   Although I love sauropods, and think they should be brought back (alongside hadrosaurs and ankylosaurians) to be part of the modern ecosystem with our current animals, giant sauropods would definitely make horrible pets due to their literally gigantic size.

   Not only that, but they could step on you if they don't care about who or what they're stepping on!

4. Tiger

   

   The tiger (Panthera tigris) is the largest living cat species and a member of the genus Panthera. It is immediately recognisable by its dark vertical stripes on orange fur and white underside. An apex predator, it primarily hunts ungulates such as deer and wild boar, and is generally solitary and territorial... read more

   Tigers are just too big to keep as pets, and they're too dangerous for people to care for properly. If anything, they belong in zoos and in the wild.

5. Elephant

   

   African elephants are elephants of the genus Loxodonta. The genus consists of two extant species: the African bush elephant, Loxodonta africana, and the smaller African forest elephant, Loxodonta cyclotis. They are the largest land animals on Earth and are native to various habitats across Africa.

   They are sensitive animals and are far too dangerous and large to keep as pets.

6. Carnotaurus

   

   Carnotaurus, meaning "meat-eating bull" in Latin, is a genus of abelisaurid theropod dinosaur that lived in what is now South America about 70 million years ago during the Late Cretaceous period. It is known for its distinctive horns above the eyes and extremely reduced forelimbs. Carnotaurus was one... read more

   Carnotaurus, due to being the perfect size for a predatory dinosaur and a hunter of humans (and other similarly sized animals), should not be kept as a pet if it were resurrected from extinction.

   Honestly, it would only exist in zoos if brought back.

7. Jinn

   

8. Saltwater Crocodile

   

   The saltwater crocodile, also known as the estuarine crocodile, Indo-Pacific crocodile, marine crocodile, sea crocodile, or informally as saltie, is the largest of all living reptiles. It is also the largest riparian predator in the world. Adult males can exceed 20 feet in length and weigh over 2,200... read more

   Although any species of crocodile (other than possibly dwarf crocodiles) makes horrible pets due to their large sizes and their predatory nature, I decided to pick the saltwater crocodile because of how dangerous this reptile is compared with other species of crocodile.

9. Dragon

   

   A dragon is a legendary creature that appears in the myths and folklore of many cultures around the world. Typically depicted with serpentine or reptilian traits, dragons are often associated with strength, wisdom, and magical powers. In Eastern cultures, they are usually seen as benevolent, while in... read more

   Don't get me wrong, dragons are cool and all (partially, in my opinion, due to the How to Train Your Dragon franchise), but I think dragons would make really bad pets due to them being very dangerous predators.

   Not to mention that their fire-breathing abilities (to be fair, not all dragon species would breathe fire, but still) would cause house fires and wildfires.

10. Elf

The Newcomers
11. ?

    Flea

    

    Fleas, classified under the order Siphonaptera, comprise about 2,500 species of small, wingless insects that are external parasites primarily of mammals and birds. These insects survive by feeding on the blood of their hosts using specialized mouthparts adapted for piercing skin and sucking blood. Adult... read more

12. ?

    Tick

The Contenders

13. Troll

14. Gnome

15. Polar Bear

    

    The polar bear is a carnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas, and surrounding land masses. It is the largest land carnivore and is well adapted to life on sea ice. Polar bears primarily hunt seals and are classified... read more

    As the largest living bear species, and the most carnivorous of bears, polar bears are too big and dangerous to be kept and cared for by most people.

    Yes, I'm aware of Marc Dumas and his beloved polar bear, but in general, polar bears are too large and predatory for normal people to have as pets.

16. Gremlin

    

17. Grizzly Bear

    

    The grizzly bear, less commonly called the silvertip bear, is a North American subspecies of the brown bear. It is found in parts of the United States and Canada, particularly Alaska and the Rocky Mountains. Grizzlies are known for their large size and distinctive shoulder hump.... read more

18. Goblin

19. Dilophosaurus Wetherilli

    

    Like the Carnotaurus, this carnivorous dinosaur would be in the perfect size range to be a predator of humans (due to being around 20 feet long), and therefore would be a poor choice as a pet.

20. Majungasaurus

    

    Majungasaurus is a genus of abelisaurid theropod dinosaur that lived in Madagascar from 70 to 66 million years ago, during the Late Cretaceous Period. The genus contains a single species, Majungasaurus crenatissimus. It was a top predator and is known for its short, thick skull and possible cannibalistic... read more

21. Rajasaurus

    

22. Nile Crocodile

    

23. Hippopotamus

    

    The common hippopotamus, or hippo, is a large, mostly herbivorous mammal native to sub-Saharan Africa. It is one of only two extant species in the family Hippopotamidae, the other being the pygmy hippopotamus. Hippos are known for their massive size, semi-aquatic lifestyle, and territorial behavior in... read more

24. Black Rhinoceros

    

25. White Rhinoceros

    

26. Columbian Mammoth

    

27. Lion

    

    The lion (Panthera leo) is a large cat in the genus Panthera, native to sub-Saharan Africa and a single isolated population in western India. It has a muscular, broad-chested body, a short rounded head, round ears, and a hairy tuft at the end of its tail. Adult males are larger than females and have... read more