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.

Intrigued by the incredible—and often inexplicable—forms of life on our Earth, science writer Mara Grunbaum began showcasing her favorite examples on Tumblr. Now you can marvel at more than 100 of Evolution’s greatest hits and misses in her new book WTF, Evolution?!: A Theory of Unintelligible Design (Workman). Take a break from these strange creatures and check out the most adorable photos of the sweetest animals.


Chrysomallon squamiferum is found around inhospitable Indian Ocean hydrothermal vents, extreme ecosystems in 8,000 feet of water. Water temps can reach over 700°F, and biological communities sprout up where the salt water and extreme heat interact. Here, armored snails use iron sulfide to build their shells — the only animals on Earth to use iron in this way. Black metallic scales also cover the foot.
Though sometimes called the Mexican walking fish, the axolotl (Ambystoma mexicanum) is not a fish at all, but an aquatic salamander that remains in its larval form throughout its life. Because axolotls can regenerate most of their body parts, including entire limbs and portions of the brain and spine, they’re popular subjects in scientific-research labs.
This bizarre looking animal (Atretochoana eiselti), which shockingly is neither a penis nor a snake, was only known from two preserved specimens until it was rediscovered in 2011 while part of the Madeira River in South America was being drained. It’s a caecilian amphibian that can achieve a total length of around 80 centimeters, making it the biggest known caecilian. Little is known about these hilarious looking animals, but caecilians are limbless and generally navigate via their sense of smell. 

Speaking of ghosts and tourist attractions, another haunted "spirit" of a woman was spotted in an Acadian Village cabin in Louisiana earlier this year. We're not really sure what the back story is on this one, but we do know that the attraction is dedicated to Cajun history in the 1800s. So, based on that, we're guessing the "ghost" might've been a basket weaver or corn shucker back in the day.
Known for its luscious red lips!, the red lipped batfish is native to the waters of Galapagos Islands. Ironically, it’s a bad swimmer and uses its highly-adapted pectoral fins to walk on the ocean floor. Some scientist believe the purpose of its red bright lip is for the male to attract the female. Yes its the male with the red lips! This fish lives in tropical climates and on the depth range of 3 to 76 meters below sea level and poses no threat as such.

This isopod crustacean — from the same group as pill bugs — must be one of the most stomach churning of all parasites. These tongue eaters are a huge pest in global fish farms; however, on coral reefs divers can sometimes spot them in an unusual place: the mouths of anemonefishes. All that’s usually visible of this sinister parasite in the anemonefish’s open mouth are the beady, black eyes set on a white head in the place you’d expect the tongue to be. Initially, the parasite grub crawls through the fish’s gills and attaches to the tongue.
“The leaf-tailed geckos are native to Madagascar and are renowned for their camouflage. This individual is just a juvenile. Many of the leaf-tailed gecko species press their bodies against wooden limbs and trunks during the daytime, and their flattened bodies, fringes, and tails eliminate any shadow, making them invisible to predators. At night, they become active and hunt primarily invertebrate prey.” – Mike Martin

About Youtuber Horror films often deal with viewers' nightmares, fears, revulsions and terror of the unknown. Plots within the horror genre often involve the intrusion of an evil force, event, or personage into the everyday world. Prevalent elements include ghosts, aliens, vampires, werewolves, demons, satanism, gore, torture, vicious animals, evil witches, monsters, zombies, cannibals and many more.
Is it just us, or does this frog look like Kermit? There are many different species of glass frogs, but this little guy is a new discovery — the first in Costa Rica since 1973. While its bright green coloring might grab your attention, the coolest part about this frog is that it is see-through. That’s right — the underside is translucent, providing a stunning view of the amphibian’s internal organs. If you want to see one, you’ll have to keep your eyes peeled — these tiny jumpers are less than an inch long.
It’s a maze game that has bizarre flashes of black and white photography as well as disturbing audio samples, like a monologue that Charles Manson gave from San Quentin to NBC in the 1980s and images of child sex offender Jimmy Savile and Margaret Thatcher promoting the National Society for the Prevention of Cruelty to Children. No one knows the purpose of the game and one of the creepy in-game children will eventually begin following you, causing “contact damage” and ending the game.

In January 2013, a Canadian student at the University of British Columbia in Vancouver was reported missing, having last been seen at the Cecil Hotel in Los Angeles. After Elisa Lam had been missing for a week and a half, LA police released this video of her last known appearance. Three weeks later, Lam's body was discovered naked and drowned in the building's water tower, and her death was labeled an accident. Her mystery reportedly inspired Ryan Murphy to make American Horror Story: Hotel.

Whether it was the flower arrangements or the music that set him off, one unhappy "ghost" made sure that the bride and groom knew he wasn't having it. As you can see from one reddit user's selfie, there appears to be a rather displeased face lurking in the background of what is an otherwise adorable memento. Grimacing ghost or not, one thing is for sure: the photobomber certainly did not receive a wedding invitation.
It would (presumably) have to be CGI that was doctored directly onto the security tapes and then filmed on a separate camcorder during playback. Maybe the guard stole four separate tapes of footage, took them home to add the effects on each one and then brought them back to the park to play them on the security bank in perfect sync without anybody noticing. After all, it's not Air Force One, it's Disneyland. How hardcore could security possibly get? Well, they do have four cameras monitoring a single walkway ...
A group of Japanese teenagers are in a restaurant and complain about an offending smell that manifests just as a pale figure appears in the background. Later, on the subway tracks, they smell the offending odor again and see the strange woman across the tracks who kills herself by jumping in front of the train, then staring down one of the men who has to crouch because of the overpowering smell. This video is actually a segment from a 2008 Japanese found footage horror anthology movie called Ura Horror. This isn't the only segment that's broken out from the show and blown up on creepy YouTube; after the mini-ghost-story, watch the exploding sea creature and the capture of a human soul escaping the body. 

When they hatch, they quickly infect other local anemonefishes. Parasites, by definition, don’t aspire to kill their host. After all, if the host dies, the parasite loses its home and food source. However, in the case of the tongue-eating louse, some individuals can grow to be so large that the hapless anemonefish struggles to close its mouth. Eventually, as you might imagine, this hinders the host’s ability to eat.
Nurul Islam, 37, was enjoying the afternoon with his niece, Mayrian Islam,11, and nephew, Ryhan Kaliq, 9, and snapping pictures in front of a fake Victorian-style ruin when suddenly a "ghost" appeared out of nowhere. At first, Nurul didn't think it could possibly be an apparition. But, then again, he also says he made sure all the other tourists were out of the way before he snapped this shot.
“The leaf-tailed geckos are native to Madagascar and are renowned for their camouflage. This individual is just a juvenile. Many of the leaf-tailed gecko species press their bodies against wooden limbs and trunks during the daytime, and their flattened bodies, fringes, and tails eliminate any shadow, making them invisible to predators. At night, they become active and hunt primarily invertebrate prey.” – Mike Martin
The Tufted deer (Elaphodus cephalopus) is a small species of deer found in high altitude forests of Burma and China. They have a prominent tuft of hair on their heads which gives them their name, but they also look like an adorable vampire. Their fangs are long upper canines, which are similar to what you'd find in their close relative the muntjac. They're very territorial animals, and although they have small antlers the males use these sharp canines to fight over both territory and mates.
According to one Imgur user, the ghost of our first president appears to have recently showed up on a bedroom wall. "Didn't believe my girlfriend when she said she saw a face on the wall," Imgur user Mahurtma wrote on the post. "Then I took a picture of it." Some Imgur commenters think it's the spirit of Albert Einstein, while others are sure it's definitely George Washington. Either way, those are two pretty cool ghosts to be haunted by, right?
It’s a maze game that has bizarre flashes of black and white photography as well as disturbing audio samples, like a monologue that Charles Manson gave from San Quentin to NBC in the 1980s and images of child sex offender Jimmy Savile and Margaret Thatcher promoting the National Society for the Prevention of Cruelty to Children. No one knows the purpose of the game and one of the creepy in-game children will eventually begin following you, causing “contact damage” and ending the game.
Mommy told me never to go in the basement, but I wanted to see what was making that noise. It kind of sounded like a puppy, and I wanted to see the puppy, so I opened the basement door and tiptoed down a bit. I didn’t see a puppy, and then Mommy yanked me out of the basement and yelled at me. Mommy had never yelled at me before, and it made me sad and I cried. Then Mommy told me never to go into the basement again, and she gave me a cookie. That made me feel better, so I didn’t ask her why the boy in the basement was making noises like a puppy, or why he had no hands or feet.
Want to give an arachnophobic diver a heart attack? Put a Japanese spider crab in his path. These critters have very, very long legs which can extend up to 12 feet. Despite their somewhat intimidating appearance, they are reported to be quite docile and friendly, and a lot less scary than many of the more innocuous looking species that inhabit the ocean floor.
The dugong is a herbivorous marine mammal, often called the “sea cow” for its habit of grazing on seagrass meadows. Dugongs are related to manatees and are similar in appearance and behavior— though the dugong’s tail is fluked like a whale’s. These mammals can stay underwater for six minutes before surfacing. They sometimes breathe by “standing” on their tail with their heads above water.
​Galeopterus variegatus, also named Sunda Colugo or the Sunda Flying Lemur, is a nocturnal and arboreal (lives in trees) mammal endemic to Indochina and Sundaland. These animals possess large membranes of skin called patagiums that extend along the limbs, allowing them to glide along distances of up to around 100 meters; given that these animals are only around 40 centimeters in length that's pretty impressive skills! The mottled coloring of these animals also makes them look a bit like the lichen of a tree and therefore helps to camouflage them. 
First look at the Bush Viper, and it’s hard not to think of two creatures: snake and dragon. This one-of-a-kind serpent has an uncanny similarity with the famous magical creature with its somewhat prickly and feather-like scales. However, keep in mind that this animal is still a type of viper. That said, one should refrain from provoking it or else, it will strike like a typical viper.
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.
A spine-chilling classic, M. Night Shyamalan’s debut is about a little boy (Haley Joel Osment) who sees dead people, and a psychologist (Bruce Willis) who tries to help him while coping with his own ghosts. If you’ve managed to remain unspoiled for one of the most iconic twists in movie history, congrats! Enjoy. (Also, who are you?) If not, watch anyway. The movie actually takes on a whole new layer of meaning when you watch it knowing the ending.

Though this isn't an *official* ghost sighting, back in 2013 21-year-old Elisa Lam went missing on vacation in Los Angeles. Her body was found in a water tank in a downtown L.A. hotel, and this was the last footage of her seen before she disappeared. (Oh, and still nobody knows how the body got there.) We have to wonder what Lam was *really* seeing in her final moments... 

When a video begins with a couple of guys crashing through the woods at night like one of those "searching for Bigfoot" specials on The History Channel, you can already tell that it isn't going to end well (and that they aren't going to find Bigfoot). That's the case with this video, reportedly shot in the woods of Catalonia, Spain (hence all the Spanish):
Not only does this Japanese facial-tissue commercial make no sense as an ad -- what does that tomato/unicorn baby have against wiping itself? -- it's also, supposedly, cursed. Like earlier "viral" videos that would get passed around on VHS, this curse comes with an isolating twist: Watch the video by yourself at midnight (in your respective time zone, of course), and the video changes to a distorted, satanic-looking mess with a pair of black eyes that stare back at you.
This deep-dweller — also known as the spook fish (Macropinna microstoma) — has tubular eyes that protrude from its large transparent dome of soft tissue. Barreleyes live in complete blackness, and scientists believed their ultra-sensitive eyes were fixed and could search only for the silhouettes of prey overhead. Recently, though, researchers found that their eyes can pivot forward, which allows the fish to see prey in front of it.
Chrysomallon squamiferum is found around inhospitable Indian Ocean hydrothermal vents, extreme ecosystems in 8,000 feet of water. Water temps can reach over 700°F, and biological communities sprout up where the salt water and extreme heat interact. Here, armored snails use iron sulfide to build their shells — the only animals on Earth to use iron in this way. Black metallic scales also cover the foot.
Meet Crabzilla : the Japanese Spider Crab. It is a species of marine crab that  has the largest leg span of any arthropod, reaching up to 3.8 m and weighing up to 19 kg. They are the largest known species of crab and may live up to a 100 years. According to legend, they are described as feeding on the bodies of drowned sailors. That could in part be true, but these marine scavengers will eat just about anything they can find. The spider crabs are considered a prized delicacy in many parts of Japan. They are caught using small trawling nets. Harvesting of the crab is forbidden during the spring, because that is when they lay eggs.
Stanley Kubrick’s iconic adaptation of the Stephen King novel is arguably one of the scariest movies of all time. A frustrated writer, Jack Torrance (Jack Nicholson) moves his family to the remote Overlook Hotel for the winter, where he’s accepted a job as off-season caretaker. As Jack starts to slide into violent insanity, his son starts having psychic visions of the hotel’s horrific past. Then shit gets really real. REDRUM.
First look at the Bush Viper, and it’s hard not to think of two creatures: snake and dragon. This one-of-a-kind serpent has an uncanny similarity with the famous magical creature with its somewhat prickly and feather-like scales. However, keep in mind that this animal is still a type of viper. That said, one should refrain from provoking it or else, it will strike like a typical viper.
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