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Our planet is a vibrant tapestry of life. Over billions of years, Earth's evolving structure has seen dramatic changes—shifting continents, ice ages, and meteor impacts (remember the dinosaurs?)—all of which have reshaped the living creatures inhabiting our world. Today, there are literally millions of unique species populating Earth.
It wasn’t until the 18th century that Swedish botanist Carl Linnaeus laid the groundwork for our current method of species classification with binomial nomenclature—a system using Latin to name animals by their genus and species. The study of species continues to evolve, and astonishingly, many creatures have lived alongside us without ever being discovered. Below, we explore ten incredible species recently uncovered over the past few years.
10. Game Of Thrones Ants: Pheidole Viserion and Pheidole Drogon
Ants are among the most widespread creatures on Earth. With over 12,000 species, these persistent insects have made their homes on every continent, except for Antarctica. All ants share a similar body structure, consisting of three parts: the head, thorax, and abdomen. Ants live in colonies that can range from a few dozen to millions of individuals, and each colony contains reproducing queens that can live for up to 30 years.
Ants make up a significant portion of Earth's biomass, so it's no surprise that researchers discovered two new species this year. These species, Pheidole viserion (pictured left) and Pheidole drogon (pictured right), belong to the Pheidole genus, a widely distributed group found around the world. Known for their relatively large heads, P. viserion and P. drogon also feature striking spikes on their backsides, which led researchers to compare them to dragons from the popular show Game of Thrones. These ants were found in New Guinea, the second-largest island on the planet, which boasts a tropical ecosystem filled with incredible biodiversity.
9. Pretty In Pink: Eulophophyllum Kirki
According to the Smithsonian, there are 200 million insects for every human on Earth, which isn’t all that surprising considering that insects make up a significant portion of newly discovered species. Continuing from our discoveries in New Guinea, let’s move on to the nearby island of Borneo, the world’s third-largest island, which spans parts of Malaysia, Indonesia, and a small section of Brunei.
Eulophophyllum kirki was discovered by accident while researchers were searching for snakes and spiders across Borneo. This katydid species stands out due to the pinkish color of the females. The first female E. kirki was spotted in a Malaysian nature reserve, but no specimens were collected for study since the scientists were unable to get collecting permits. The katydid was named after the photographer, Peter Kirk. It measures around 4 centimeters (1.6 inches) and mimics leaves to blend into its environment. The female’s remarkable pink backside is lined with “veins” resembling those found on nearby trees.
8. The ‘Sorting Hat’ Spider: Eriovixia Gryffindori
When a new animal species is discovered, the researchers are often given the honor of naming it. Some researchers include their own names, but it’s also common to give a nod to pop culture. Such is the case with the recently discovered Eriovixia gryffindori, a spider found in the southwestern Indian state of Karnataka. The shape of this spider, from its brownish hue to its curved top, is reminiscent of the sorting hat from the Harry Potter films. J.K. Rowling even congratulated the researchers via Twitter after their discovery.
The spider belongs to the Eriovixia genus, part of the Araneidae family, which includes orb-weaving spiders known for creating circular webs. E. gryffindori is only 7 millimeters long, which explains why it was so difficult to find. Like the pink katydids, this spider is nocturnal and a master of disguise, blending seamlessly with dead leaves to avoid predators.
7. The Casanova Millipede: Illacme Tobini
Millipedes and centipedes, two of Earth’s most recognizable arthropods, often elicit a strong “yuck” response from many people. Surprisingly, no species of millipede has exactly 1,000 legs. Most species belong to the order Polydesmida and typically have 62 legs. The record-holder for the most legs is Illacme plenipes with 750 legs. The newly discovered Illacme tobini hails from California’s Sequoia National Park.
I. tobini boasts several traits that may make your skin crawl, but the feature that earned it the “Casanova millipede” moniker is its four penises, which also double as legs, allowing it to move underground. With 414 legs, it has far more than the average millipede. When discovered, it was preserved in ethanol for DNA research, revealing its close relation to I. plenipes. Additionally, I. tobini has 200 poison glands that secrete a unique substance, unlike anything previously identified in scientific studies. Surprisingly, it has no excess of eyes and is completely blind. Its body is covered in fine hairs that produce a silky residue, distinct from its poison, making it one of the most peculiar creatures on this list.
6. The Polka-Dot Stingray: Potamotrygon Rex
Freshwater stingrays inhabit various tropical regions across the globe. Multiple species of these rays, part of the genus Potamotrygon, live in South America’s rivers. While stingrays are equipped with barbed stingers for self-defense, they typically avoid confrontation. Although they don’t actively target humans, there have been fatal incidents, such as the tragic death of Steve Irwin, the “Crocodile Hunter,” when a stingray’s barb pierced his chest in September 2006.
Potamotrygon rex was discovered in Brazil's Tocantins River. The river is teeming with unique life; around 35% of its fish species are endemic, found nowhere else on Earth. P. rex can grow up to 1.1 meters (3.6 feet) long and weigh over 20 kilograms (44 pounds), with a juvenile pictured above. The stingray features a striking blackish-brown color with bright yellow and orange spots, inspiring its Latin name rex, meaning 'king.' This discovery highlights the vast mysteries that remain in the Neotropical realm, which spans much of Central and South America.
5. The Furry Forager: Gracilimus Radix
Our next entry takes us to the South Pacific, specifically to the island of Sulawesi, located just east of Borneo. This densely populated island is part of Indonesia and boasts a rich diversity of wildlife, including the newly discovered Gracilimus radix, a species of rat.
G. radix, also known as the 'slender root rat,' is an intriguing discovery for several reasons. Firstly, it’s a mammal, and while new insect and amphibian species are frequently uncovered, new mammal species are much rarer. Secondly, this rodent displayed so many unique traits that it was categorized not only as a new species but also as a new genus—an even higher taxonomical distinction. Lastly, G. radix is an omnivore, unlike its carnivorous relatives, showing a rare shift in diet, evolving from a specialized carnivore to a more generalized omnivore.
The rat measures about 30 centimeters (12 inches) in length and weighs roughly 40 grams. It has an impressive set of whiskers, likely helping it search through the forest floor. The discovery of this species further emphasizes the many creatures in Sulawesi, and other islands, still waiting to be discovered.
4. The River Rider: Inia Araguaiaensis
Many of the entries on this list are captivating, but the discovery of new insect or fish species may not be that unexpected. What might truly astonish you, however, is the recent revelation of a new species of dolphin. Dolphins, being mammals, are among the most intelligent creatures on Earth. Known for their social and altruistic behavior, they live in pods with others of their kind. Additionally, some dolphin species are adapted to river life, with long, narrow snouts and slower swimming abilities, along with poorer vision compared to their ocean-dwelling relatives.
River dolphins are rare, making the identification of Inia araguaiaensis even more extraordinary. It marks the first documentation of a new river dolphin species in a century. Currently, three out of the four river dolphin species are considered threatened, underscoring the importance of protecting I. araguaiaensis. These river dolphins, often referred to as botos, are found throughout the Amazon Basin, but this new species was isolated by a series of rapids and channels. The discovery took place in Brazil’s Araguaia River Basin, where thorough genetic and physiological testing confirmed it as a distinct species. The substantial genetic variation indicates that the dolphin branched off from a shared ancestor approximately two million years ago.
3. Going Batty: Myotis Attenboroughi
In the field of taxonomy, scientists have often grouped seemingly similar animals together, even when they are actually distinct species. This was the case with Myotis attenboroughi, a bat species found on the island of Tobago, part of the Caribbean nation of Trinidad and Tobago, and named in honor of British naturalist David Attenborough. Researchers analyzed museum records of 377 bat specimens from the Caribbean, uncovering a previously unidentified species with significant physiological and genetic differences. Further field studies will determine whether M. attenboroughi is also present on Trinidad, but this discovery highlights how new species can be hidden in plain sight, waiting for the right observation to identify them.
2. Darling Of The Deep: Plenaster Craigi
Our next entry on the list is a creature you’re unlikely to encounter in your lifetime. In fact, you might be surprised to find out that it’s considered an animal. Plenaster craigi is a newly discovered species of sponge, dwelling over 4,000 meters (13,000 feet) beneath the Pacific Ocean’s surface. With over 15,000 known species of sponge, which are among the earliest forms of animal life on Earth, dating back over 500 million years, this discovery reveals the deep-rooted connection between sponges and other animals. These simple creatures not only share a primitive ancestor with other animal life but also possess immune systems and exhibit coordinated movement, classifying them firmly as animals.
In 2013 and 2015, two expeditions to the depths of the Pacific led to the discovery of P. craigi. Found in the Clarion-Clipperton Zone, an expanse stretching from Hawaii to Mexico, these sponges are small yet abundant in their deep-sea habitat. Research suggests they are among the most prevalent creatures in their environment. These sponges thrive on metal-rich nodules, which are also considered potential hotspots for future deep-sea mining. P. craigi is not only a new species but represents an entirely new genus, highlighting how much there is still to uncover about life beneath the ocean’s surface.
1. Jack Of All Trades: Centipede Edition – Scolopendra Cataracta
If you thought that encountering a millipede with 414 legs was the worst creepy-crawly experience, you were wrong. Enter Scolopendra cataracta, a centipede discovered in Southeast Asia that will make you rethink the “yuck” factor. Entomologists identified this new species from just four specimens: two from Laos, one from Thailand, and a misclassified centipede found in Vietnam in 1928, which had been sitting unnoticed in the Natural History Museum in London.
This newly discovered centipede is the first amphibious species of its kind, capable of hunting both on land and underwater. S. cataracta is a carnivore and can grow to a length of nearly 20 centimeters (8 inches). As with most centipedes, it’s venomous, and the larger the centipede, the more painful the bite. While it’s unlikely to be deadly, its bite is extremely painful and can cause discomfort for weeks. Scientists believe S. cataracta hunts at night, stretching its legs and appetite beneath the water’s surface. So if you’re swimming in remote locations, keep your eyes peeled for this aquatic menace.
