Reproduction in whole or in part without permission is prohibited. Despite its intimidating size, the robber crab is more of an opportunist than a predator. Coconut crabs can grow up to an incredible 1m (3ft) long and weigh over 4kgs. After learning about the terrifying coconut crab, find out about the craziest types of animal camouflage and the most dangerous animals on Earth. Scientifically known as Thomisidae, this is a spider family with many species resembling crabs. No matter how much the booby struggled or pecked at the hard shell of the crab, it couldn’t get it to let go.
They can do some terrifying things with those powerful claws. Japanese spider crabs ( Macrocheira kaempferi ), the biggest arthropods, skitter around on the bottom of the ocean without bothering anybody, but coconut crabs hang out on land, and therefore are able to startle us with their size: They can weigh up to 9 pounds (4 kilograms), with a leg span of around 3 feet (1 meter). At the time, Darwin didn’t believe most of what he’d heard, but it was no exaggeration.
Coconut crabs are incredibly anti-social! Coconut crabs, Birgus latro, are the world's largest land-living arthropods.
It takes around 3 weeks to hatch and by this time the mother dies of starvation. Newsweek subscription offers > With the strongest recorded grip of any animal, the crabs are quite fearsome. Color: It ranges from orange to white, brown to red.
Meet the coconut crab: a land crab so big and powerful, it can break open coconuts with its pincers, and even hunt rats. Crab Spiders. Believe it or not, Vanuatu coconut crabs start off life just like a normal hermit crab, tiny and cute with a shell on their back, but after about a year or so they undergo a remarkable transformation – they ditch their shell and their whole body hardens like Iron Man in a process known as recalcification. Coconut crabs can grow up to an incredible 1m (3ft) long and weigh over 4kgs. 5, Coconut crabs usually only eat at night – they’re night stalkers! Sometimes known to take down a small mammal, the coconut crab is a true marvel of nature and one that continues to frighten and titillate anyone nearby.
"Chagos is a fully-protected marine reserve and therefore these crabs are currently well-protected," says Koldewey. The Goliath birdeater is the king of spiders. The coconut crab isn’t just scary-looking: its claws are powerful enough to rip open a coconut, it can climb trees, and it may just be the animal that devoured Amelia Earhart.
Coconut crabs don’t usually try to hurt people, but there have been exceptions. Granted, the crabs have more reason to fear us than we have to fear them. They are ambush predators and move sideways with their long legs.
The coconut crab is the largest land-living arthropod in the world. "The Chagos Conservation Trust started a programme of rat eradication this year," she adds.
It’s widely believed that this was the body of Amelia Earhart – and that she had been torn apart by coconut crabs.
“Monstrous.” That was the only word Charles Darwin could find to describe the coconut crab when he first saw one for himself.
It may take a coconut crab days to crack open a coconut. The Japanese spider crab is bigger, but it has the advantage of living underwater where its weight is supported. But coconuts aren’t the only thing these creatures eat. Crab spiders of this family do not bite humans unless it is absolutely necessary for self-defense. The strength they show when they eat them is unnerving, as they can tear a coconut apart with nothing more than their bare claws. For more Vanuatu travel and food tips see here .
Coconut crab populations have never been properly surveyed, so we do not know how many there are or if they are in danger. This combination allows them to adeptly climb vertical surfaces, including trees.
Weird & Wacky, Copyright © 2020 HowStuffWorks, a division of InfoSpace Holdings, LLC, a System1 Company. They’ve been known to hunt and kill birds, to tear apart live pigs, and even to cannibalize the corpses of other coconut crabs. They’ll eat almost anything. That being said, the crabs do sometimes turn the tables. A theory soon emerged she had likely perished somewhere on this stretch of beach, possibly through an encounter with the frightening coconut crab. 7. One thing is for sure, however - coconut crabs love to feast on bones, pick them clean, and scuttle them away to their nests. Read about our approach to external linking.
“Five more coconut crabs came to the site within 20 minutes, likely cueing in on the blood,” Laidre recalled. Like the red-footed booby, her blood would have lured the coconut crabs living in the island’s underground burrows. Most species are around 0.43 in (1.1 cm). The unlucky would end up finding more than just coconuts.
A coconut crab on the beach.
a coconut (Credit: Jon Slayer), View image of Coconut crabs can live for 50 years or more (Credit: Jon Slayer), View image of Heather Koldewey with a coconut crab (Credit: Jon Slayer), View image of Tiny islands and atolls in the Chagos Archipelago (Credit: Rohan Holt), the first survey of coconut crab populations, View image of A coconut crab chowing down on a rat (Credit: Charles Sheppard), View image of Team member Peter Carr holding a coconut crab (Credit: Heather Koldewey). Scientist Mark Laidre described their attack strategy in horrific detail. Vanuatu coconut crabs are the largest and most powerful land crabs on the planet (only the Japanese spider crab is bigger – but it lives in the deep ocean!). Female crab spiders make two flat egg sacs, joined together, to lay their eggs in.
A team of scientists ran a test in 2007 to see what the crabs would have done to her.
There are several observations of coconut crabs eating rats. They could literally crush your bones with their claws! They are the largest arthropods, the group that includes insects, spiders and crustaceans, that live on land.
Mark Oliver is a writer, teacher, and father whose work has appeared on The Onion's StarWipe, Yahoo, and Cracked, and can be found on his, How A Small Texas Town Paid A Conman A Ton Of Money To Build "The World's Littlest Skyscraper", A Bronze-Age Sword Found In Denmark Is Still Sharp 3,000 Years Later, What Stephen Hawking Thinks Threatens Humankind The Most, 27 Raw Images Of When Punk Ruled New York, Join The All That's Interesting Weekly Dispatch. View image of A coconut crab, perhaps contemplating a spot of tree-climbing (Credit: Jon Slayer), View image of The eyes of a coconut thief (Credit: Jon Slayer), View image of North Brother, one of the islands in the Chagos Archipelago (Credit: Jon Slayer), View image of A coconut crab, tucking into (what else?) Weighing up to six ounces and with a leg span of nearly a foot, this tarantula is the largest arachnid on the planet.
Think you know your favorite animals? Apparently their overall size and strength of the coconut crab is so stunning, even Charles Darwin doubted the stories of the locals while visiting the Keeling Islands off the coast of Sumatra in 1836.
Coconut crabs are colossal. The only time they return to the ocean is when their babies are ready to hatch. In 1940, researchers found a fractured skeleton on Nikumaroro Island that had born torn apart, limb from limb.
Apparently their overall size and strength of the coconut crab is so stunning, even Charles Darwin doubted the stories of the locals while visiting the Keeling Islands off the coast of Sumatra in 1836. November 23, 2006. 4. If you love crabs that are scary, look no further than the coconut crab.
All rights reserved. They are the kleptomaniacs of the arthropod kingdom. But that is changing rapidly as feral pests like rats are introduced and over-harvesting occurs as the result of tourism demands – so please, if you are offered coconut crab in any restaurant in Vanuatu please ensure it has been harvested sustainably before eating it! 3.
Yes, it’s official – the Vanuatu coconut crab has the strongest grip of any animal on the planet.
Flies, butterflies, honeybees, and other insects, Around 1 year; in tropical areas the lifespan may be longer.
These gigantic crabs can climb anything they see.
After catching, they inject their victim with venom to paralyze the body. Vanuatu coconut crabs have to first use their claws to pull away the tough outer husk. The crab climbed down to finish it off.
Although most people don't think about crabs as bone crushing, kitten-eating, mastadons of the tropics, most people have never met this terrestrial hermit crab. The crabs would strike, and the men would find their fingers caught in the vice-like grips of their claws.
Koldewey and her colleagues have now begun the first survey of coconut crab populations. These guys can use their four-foot long legs to scuttle quickly from place to place; burrow into dark holes in the ground; and even climb soaring coconut trees. These nightmare crabs look more like an alien from outer space than a species of Earth, and their look isn't the only crazy thing about them. Each crab took a limb or a hunk of meat from the mutilated bird’s body back down to his underground lair, and there they fed. Among terrestrial arthropods, the phylum that includes crustaceans, spiders and insects, coconut crabs are the largest on the planet. There is a certain mystique about the coconut crab, mostly because of its extreme size and strength. In search of coconut husks, they would reach their fingers into their burrows, trying to steal the food the crabs had left behind.
They live in underground burrows, lined with fibres from coconut husks. A coconut crab attacks a red-footed booby bird. They are scavengers and usually eat fallen fruit from…
There are plenty of creepy coconut crab facts. It’s how they get their food – by climbing to the tops of coconut trees and knocking them off. Also, spiders of the Camaricus genus showcase colorful bodies. Vanuatu coconut crabs are well known for sneaking off with cutlery, crockery, plates, pots and pans from houses and campsites.
And those vexatious rats may also be on the way out.
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