You couldn’t tell by looking at its slender, rather frail frame, but the needlefish is one of the world’s most dangerous fish to humans, with multiple cases of injuries and even fatalities reported throughout the years.

A member of the family Belonidae, the needlefish is a piscivorous species whose most distinctive feature is the long, narrow beak filled full of sharp, saw-like teeth. But it’s not the teeth that should worry you – they’re only used to catch smaller fish – but the combination of an extremely pointy beak and incredible speed. Needlefish swim close to the surface of the water and like to jump over obstacles like shallow boats rather than go around them. The problem is that they jump at speeds of up to 60km/h (37mph), and since their obstacles sometimes happen to be humans out at sea, they literally impale them with their long beak, causing serious, sometimes fatal injuries.

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The caterpillar of the Brazilian Skipper Butterfly has translucent skin that offers an eerily clear view of its insides, especially the circulatory system.

Brazilian skipper butterflies are larger than most skipper butterflies, but it’s not their size that sets them apart as a species, it’s their appearance during the caterpillar stage. What really makes this tiny critter special is its translucent skin, which offers a very clear view inside the caterpillar, revealing the organs and especially the circulatory system. This see-through skin gives the Brazilian skipper caterpillar a very strange look, especially when you realize that the twitching dark line that runs down its back, from its head to the rear of the abdomen, is the heart.

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The larvae of a certain species of gnats have been known to migrate by assembling into a large snake-like shape numbering tens of thousands of individuals and crawling on the ground as one. The bizarre phenomenon is known as “Pleń” in Poland and “Heerwurm” in Germany.

As far back as the 17th century, the larvae of sciaria militaria, a species of dark-winged fungus gnats found throughout Central Europe, have been observed moving on the ground as a giant slithering unit ranging from 50 centimeters to a reported 10 meters. Called Pleń by the Polish people who first documented the rare and poorly understood phenomenon, this method of migration numbers between a few thousand to several tens of thousands of tiny larvae. They crawl on the ground as one unit, towards an unknown goal that scientists have so far only speculated on.

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The Brazilian treehopper, a pea-sized, rainforest-dwelling insect that spends its days munching on treetop leaves, is almost certainly the most otherworldly-looking creature on our planet.

From the double-nosed Andean tiger hound, to the painting-like “Picasso fish“, we’ve featured our share of strange-looking creatures on Oddity Central, but none of them come close to the bizarre Bocydium globulare or the Brazilian treehopper. This tiny, solitary insect looks like something out of a sci-fi/horror film, featuring a headdress made up of four spheres of chitin covered in many bristles, which suggests they have some sensory purpose, but scientists have no idea what these weird balls actually do.

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Felis nigripes, the African black-footed cat, stands at just 8 to 10 inches tall and weighs roughly 200 times less than the average lion, but it is actually the most efficient feline predator on the planet.

The black-footed cat is actually the smallest African feline, smaller even than the average alley cat, but you shouldn’t be fooled by its demure stature, because it is actually the deadliest of all the world’s felines. This adorable furball has an accelerated metabolism that requires it to hunt almost non-stop, which means that it kills an average of 10 to 14 rodents or small birds every night, more victims than a leopard hunts in a month. To top it all off, its predations success is around 60 percent, while lions only succeed in catching their victims about 20 to 25 percent of the time.

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At first glance, the humble hagfish looks like just another species of ocean-dwelling eel, but they are something much weirder and at the same time fascinating. From the bizarre slime-like substance it produces as a defense mechanism, to the lack of a backbone, there’s a whole lot of weirdness to address.

The hagfish is a primitive, virtually blind creature that spends its life on the bottom of the ocean, slithering and feeding mostly on dead or dying fish. Among the several things that make the hagfish unique is its body structure. It has a skull, but no jaw and no vertebral column. This allows them to tie their bodies into knots in order to scrape the sticky slime they produce off of their skin. They can burrow into dead or dying animals through various orifices and even through their skin – using two rows of keratinous teeth – and devour them from the inside. But they don’t really need the teeth, as they can absorb nutrients through the skin and can go months without eating. Pretty freaky stuff, and we haven’t even talked about their slime-producing capabilities.

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Reports of the bizarre rat king phenomenon date back to the 16th century, but the recent discovery of a Russian farmer who found five small rats with their tails tied in a giant knot is once again causing scientists to scratch their heads.

A rat king occurs when the tails of multiple rodents become so entangled that even an adult human, let alone a creature without opposable thumbs and advanced brain, would have trouble detangling. Rat kings have been reported numerous times since the mid-16th century, but scientists have yet to properly understand how and why it occurs, or even if it is a natural phenomenon or just a man-made hoax. The discovery of a new rat king in a flooded field in Russia has once again brought the very existence of the phenomenon into the debate.

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A lucky cat somehow managed to survive 52 days locked in an abandoned house in the Dutch town of Vlaardingen, eating paper and struggling to find water sources.

At the end of last month, the new owners of a house in Vlaardingen were shocked to see a thin, visibly malnourished cat race past them as they opened the front door of their property. They had bought the place at an auction, so this was the first time they set foot in it. Animal Shelter Vlaardingen was contacted and they managed to catch the feline and started an investigation. It turns out that the former owner had disappeared on July 1st and the cat had been struggling to survive by itself ever since.

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I can think of a few adjectives to describe mosquitoes, but ‘beautiful’ is definitely not one of them. However, there is one notable exception – Sabethes cyaneus, a tropical breed of mosquito that can certainly be called eye-catching.

Found in the tropical forests of central and South America, the Sabethes mosquito is an elusive breed famous for its iridescent blue color and feather-like paddles formed by elongated scales, located on the tibia of each middle leg. The two hind legs arching over the body of the mosquito as it is feeding are also impressive and help build the Sabethes’ majestic appearance. Marveling at its beauty is a privilege, as this breed is well-known for being extremely skittish and difficult to photograph well.

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Once believed to be the stuff of legends, the double-nosed andean tiger hound is an extremely rare dog breed used by Bolivian hunters to track jaguars through the Amazon rainforest.

The first mention of double-nosed dogs in the Amazon jungle can be traced back to 1913, when legendary explorer Colonel Percy Fawcet told tales of such animals on his return from an expedition. No one believed him, they laughed at his stories, and the double-nosed dog remained a cryptozoological beast up until the mid-2000s, when Colonel John Blashford-Snell returned with photographic evidence of the dog’s existence. It’s an extremely rare breed believed to only exist in Bolivia, where it is used to track jaguars because of their enhanced sense of smell.

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The Sebright is a popular breed of ornamental chickens whose laced plumage makes white specimens look like living, breathing color-by-number drawings.

Named after its creator, Sir John Saunders Sebright, this popular chicken breed is a true bantam – a miniature bird with no corresponding large version – as well as one of the oldest British bantams and the first poultry to have its own dedicated fan club. Their small size means they are not kept for meat production like most other chicken breeds, and they also lay tiny white eggs. This is a purely decorative breed whose laced plumage makes it stand out to enthusiasts.

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Husum Red Pied is a rare domestic pig breed popularly known as the Danish Protest Pig because its whole reason for being was to imitate the Danish country flag at a time when an actual flag could not be raised.

The story of the Danish Protest Pig can be traced back to the mid 19th century when Denmark and Prussia went to war over control of the southern Jutland Peninsula. The two countries couldn’t decide where the border between their lands was, so they eventually went to war. In 1848, Denmark won the war and the claim to the contested land, but only a decade later the Second Schleswig War erupted, and this time Prussia emerged victorious. In the years that followed, Prussian authorities launched a campaign against anything Danish, especially the Danish flag, which didn’t sit too well with farmers in the disputed Jutland territory. So they devised a cunning plan to bypass the ban…

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The peacock mantis shrimp (Odontodactylus scyllarus) is recognized as having the fastest punch in the entire animal kingdom, with an acceleration comparable to a .22mm bullet fired out of a handgun.

One of several known mantis shrimp species, the O. Scyllarus is native to the seabed of the Indo-Pacific, from Guam to South Africa. It is an agile and active predator, using its club-shaped appendages to smash its prey, which mainly consists of other crustaceans, gastropods, and bivalves. The peacock mantis shrimp is known as a ‘smasher’ for a reason, as it uses its appendages to repeatedly deliver blunt force to its victims until it breaks their exoskeletons in order to reach the soft tissue underneath. Every blow travels at a speed of over 50 miles per hour (80 km/h), the fastest recorded punch of any living animal.

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Canelo, a pit bull suffering from a debilitating medical condition that forbids him from moving normally, may just have the best dad in the world.

The heartwarming story of Canelo and his owner was shared on TikTok by the man’s daughter, Jooseline. She posted a touching video explaining that her pet dog was suffering from canine hypertrophic osteodystrophy, a condition that drastically restricts his mobility, making it painful for him to run with the family’s three other pit bulls. Sadly, hanging out with his brothers and running through the fields was his favorite pastime, so in order to let Canelo enjoy the experience despite his condition, Jooseline’s dad routinely picks him up and runs with him in his arms alongside the other dogs.

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The Bass River Valley of South Gippsland, in the southeastern Australian state of Victoria is home to the world’s largest earthworms, which can grow up to 6.6 feet in length.

The giant Gippsland earthworm (Megascolides australis) is one of the world’s most elusive and fascinating creatures, able to survive in an environment completely changed by its human inhabitants and rarely showing up above ground. These enormous earthworms can only be found in a 150 square mile area, a habitat once blanketed by dense forests but that has now been completely converted to farmland. Apart from its size, this ability to survive in a landscape in which the native vegetation has been entirely removed is another fascinating trait of the giant Gippsland earthworm.

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