We can truthfully say that our list comprises of some of the rarest and weirdest animals there are. Take, for example, the Glaucus Atlanticus – an aquatic animal who looks like a Pokemon monster and has a name as equally anime. Or the absolutely stunning, yet very unusual animal called Okapi, that looks something like a cross between a moose and a zebra but is actually related to a giraffe. Or even the rare animal called Goblin shark, who looks like it soaked in a bath for too long, making it one of the scariest sea creatures.
If you’re wondering if aliens are out there, you might want to look to the seas. The Giant Isopod is so bizarre and alien-like, it’ll probably give you the creeps. A bottom feeder, it crawls around on the ocean floor, seeking food. It becomes so big because of “deep sea gigantism,” a phenomenon where deep-sea creatures grow much larger than similar creatures in the shallow water.

“I was very surprised to find these giant hare-like animals just wandering freely around the children’s play area in Nottingham! They are called Mara or Patagonian Hares, and they are quite big with very spindly legs. They seemed very calm and just nibbled on grass. I guess they can’t be too dangerous! I saw a family of these hares watching steadily at the visitors.” – Ranjit Pol
It’s been found in every ocean except the Arctic, at depths ranging from 2,500 to 7,000 feet. The jelly’s dark-red color affords it a high level of camouflage at depth, as red light doesn’t penetrate deep water. Stygiomedusa gigantea has also been found with the rare fish Thalassobathia pelagica swimming around and living within its medusa. It is believed that the fishes share a symbiotic relationship.
There are 18 different species of octopus within the genus Grimpoteuthis which are commonly referred to as a “Dumbo octopuses” due to their characteristic ear-like fins that make them resemble Disney’s Dumbo. These enigmatic cephalopods are a pretty rare sight since they usually dwell in deep waters ranging from 400 meters to 4,800 meters, but the few times they have been spotted has revealed that they usually eat crustaceans and worms. They’ve also been observed around deep sea hydrothermal vents, which are areas on the sea floor where hot and mineral rich fluids spew out due to volcanic activity. 

They are found across the world’s oceans at depths of 1,600 to 24,000 feet, where they are among the largest animals. One species has been recorded at more than 6 feet in length and weighing 13 pounds. They live on, or close to, the seafloor, where they hunt a variety of invertebrates. These big-eared creatures are unusual for octopuses because they’re able to swallow their prey whole.
The Yeti crab is a recently discovered animal which lives in the South Pacific Ocean. The Yeti crab looks like it’s always wearing the bright yellow crab-mittens its grandmother gave it for Christmas one year. It’s roughly 15 cm long and its pincers contain bacteria which it can use to clean the water around its body. It usually eats green algae and small shrimp.
One of the most bizarre rodents, populating the deserts of East Africa, is the naked mole-rat. Famed as the longest living rodent in the world, this wrinkly mole rat has a life span of 30 years. With two yellow buck teeth protruding from a pale, hairless body, the mammal may not be an eye-pleaser, but it has an alluring longevity-related adaptation that has gripped researchers in recent years: It seems to be immune to cancer.
When Anastassia was flipping through an old family album, she stumbled across a photo of herself playing with her pet birds when she was four years old. In the background was another girl holding what looks to be a stuffed animal. But the crazy part is, Anastassia says there was no other little girl there when the picture was taken—well, not living at least. Her parents also confirmed that they had never seen that child before. And as if this story wasn't creepy enough already, Anastassia allegedly was later told by a psychic, without being prompted, that the "spirit" of a young girl was following her.
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