Their body is small compared with their legs, but can still reach 60cm (2 feet). Like all crabs, a giant spider crab must molt off its old hard exoskeleton to accommodate its body’s growth. The Japanese spider crabs lack of sense of vision, but they compensate this lack, with their quite developed sense of … They can inhabit waters as deep as 1,000 feet, but they move to shallower depths to breed. Now, there are some efforts to protect the Japanese Spider Crab so it doesn’t die out completely – for example, fishermen are not allowed to catch them during the spring, when they lay their eggs. But researchers have found that Japanese spider crabs are not a very sociable species. In its native Japan, the animal is simply known as taka-ashi-gani (“long legs”) or shinin-gani (“dead man’s crab”). So, the Japanese Spider Crab, as well as being the world’s largest Arthropod, is also.
Gaming enthusiasts probably recognize this crustacean from the Animal Crossing: New Horizons video game, and bold Japanese foodies might enjoy this crab on their dinner table. The Japanese Spider Crab can weigh up to 20kg (44 lb) and, when fully stretched out, can measure 4 metres (13 feet) from the tip of one leg to the other!

They spend most of their time living under water – they can live in water as deep as 200-300m (220-330 yards). Wikimedia CommonsThe Japanese spider crab is the biggest crab in the world. The bumpy exterior of its shell also helps to blend its giant frame into the seabed environment. Then, read about the blue-ringed octopus, one of the world’s deadliest — and cutest — living creatures. In 2013, researchers discovered the oldest known spider crab species in a fossil reef in northern Spain. It’s not the heaviest Arthropod, Crustacean or Decapod – that honor goes to the stocky American Lobster, which outweighs the Japanese Spider Crab by 2kg (4.5 lb). Amazon and the Amazon logo are trademarks of, Inc. or its affiliates. Surprisingly, this larger groups name (Malacostrata) actually means “soft shell”! Unfortunately, in some parts, people have caught too many, and the numbers of Japanese Spider Crabs is dropping.

Unlike its giant descendants, the C. granulata was small, measuring less than an inch. The world largest arthropod is the Japanese Spider Crab. The temperature preference of adults is unknown, but the species is regular at a depth of 300 m (980 ft) in Suruga Baywhere the water generally is about 10 °… This crab is a decapod crustacean, which belongs to the group of spider crabs, so it is characterized for having a triangular shell and long legs. Crabs are crustaceans with only a short tail or none at all. It’s true that these crabs feed on dead bodies that they scavenge at the bottom of the sea… but they’re mostly dead sea specimens. Still, it exhibited physical characteristics that were distinct to spider crabs. Outlying populations have been found in Iwate Prefecture and off Su-ao in Taiwan. The giant spider crab is still considered a delicious delicacy in some parts of Japan, but the government has kept tight regulations on the harvesting of the species to protect it. These crabs often scavenge for food alone and there is little communication between individuals, even between those kept together in captivity. Wikimedia CommonsThe earliest spider crab specimen displayed at the American Museum of Natural History measured 12 feet across. Meet The Japanese Spider Crab, The ‘Daddy Long Legs Of The Sea’. It is also likely the crab with the longest lifespan, living to be up to 100 years old. Required fields are marked *. The world’s largest and heaviest Crab, and, The world’s largest and heaviest Spider Crab. The Japanese spider crab is the biggest crab in the world. Japanese Spider Crabs Main Characteristics. The spider crab could get stuck inside their old shell or get cannibalized by other crabs during their molting state. There are about 700 types of Spider Crab in the world – they have shells with a point at the front, and often have long legs. Brian Gratwicke/FlickrThe oldest species of spider crab lived about 100 million years ago on Earth. One Japanese Spider Crab got a bit lost one time. You can see a picture of one here. Japanese spider crabs live on the Pacific side of Japan as far south as Taiwan and at chilly depths ranging from 164 feet to as low as 1,640 feet. It was a male specimen with a 12-foot-long leg span and a weight of 44 pounds.

The earliest spider crab specimen displayed at the American Museum of Natural History measured 12 feet across. Their long legs help them to move quickly to catch their prey. The Japanese spider crab’s limbs can grow up to 13 feet long, making the species the biggest arthropod in terms of length in the world. While the giant spider crab can weigh 40 pounds, it’s still no match for the American lobster, which can easily tip the scales beyond that.

They have orange body with white spots on their thin legs. 12-Foot Reptile Found In The Stomach Of A 240-Million-Year-Old 'Megapredator' Unearthed In China, California Man Defends His Home From Wildfire With Cans Of Bud Light, 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. The biggest, longest, heaviest, tallest animals in the world! There is still much that isn’t known about the species because they live so deep in the sea, making it difficult for experts to study them further. “The previous oldest one was from France and is some millions of years younger,” said study author Adiël Klompmaker. People eat Japanese Spider Crabs. Japanese Spider Crabs are very gentle, and are popular in large aquaria. It was later moved to the Sea Life in Paris Val d’Europe Aquarium in France, where visitors can still see the live giant firsthand. They are called spider crab because their long thin legs make them look like spiders! The Japanese spider crabs natural habitat is on the bottom of the Pacific Ocean (some 300 – 400 metres deep) around the Japanese archipelago, where it feeds on dead animals and shellfish. Your email address will not be published. Japanese spider crabs are mostly found off the southern coasts of the Japanese island of Honshū, from Tokyo Bay to Kagoshima Prefecture.

However, the Japanese spider crab’s conservation status has yet to be determined due to the difficulty in studying them in their natural habitat. Its legs, though terrifyingly strong, are actually susceptible to breakage since they are so lanky. While the giant spider crab can weigh 40 pounds, it’s still no match for the American lobster, which can easily tip the scales beyond that. Natasha Ishak is a staff writer at All That's Interesting. The 40-year-old giant spider crab was fittingly named Crabzilla and displayed at the Scheveningen Sea Life center in The Hague, Netherlands. Japanese spider crabs solely live in the ocean / Source 4. The Japanese spider crab looks much more terrifying than it actually is. Malacostrata are Crustaceans, and the Crustaceans are grouped together with spiders, insects, millipedes and scorpions into a phylum called the Arthropods. Despite its monstrous reputation, the Japanese spider crab is a vulnerable animal. They have 10 legs – the front two legs are used as claws for feeding.

However, the Japanese spider crab loses its top rank when it comes to weight. It'd called the Japanese spider crab. In 2009, the biggest Japanese spider crab in recent decades was caught. Save my name, email, and website in this browser for the next time I comment.

The Japanese spider crab is a giant sea creature that lurks in the waters surrounding Japan. These giant crustaceans become even more vulnerable as they mature. The giant spider crab is most vulnerable during its molting period. But the ancestry of spider crabs can be traced all the way back to prehistoric times. These have the largest leg span of any arthropod, reaching up to 3.8 metres and weighing up to 19 kg. The fear of spiders is one of the most common phobias in the world, so chances are you know someone who has it.

They like to inhabit vents and holes in the deeper parts of the ocean. The crustaceans also prey on clams, mussels, and other shellfish. That’s why it’s important to keep an eye on the well-being of these giants of the sea. This molting is especially dangerous for them since the total process can take weeks to complete. The Japanese Spider Crab can weigh up to 20kg (44 lb) and, when fully stretched out, can measure 4 metres (13 feet) from the tip of one leg to the other! While their numbers are declining, they are not considered a vulnerable or endangered species. These are about 10% of the know species of Crab – scientists call them Brachyura, which means “short tail”. Fishing for Japanese spider crab is completely prohibited by the government during the animal’s mating season, which falls between January and April.

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