The tallest man in recorded history was Robert Wadlow (1918 – 1940) from Alton, Illinois, who reached the height of 8 ft 11.1 in (2.72 m). The heaviest man in recorded history was Jon Brower Minnoch (1941 – 1983) from Bainbridge Island, Washington, who, at his peak weight, weighed in at approximately 1,400 lb (635 kg). These numbers sound really incredible, but humans are not the only species that has produced some gargantuan specimens. In fact, some forms of gigantism have been recorded in many animal species as well. Enormously sized animals have been often reported to live on islands where so called “island gigantism” frequently occurs. If an animal evolves on an isolated island with few predators to restrict its growth, it can reach a really stunning size. However, disturbingly oversized animals have been recorded on the mainland, too. There can be many reasons for gigantism in animals including genetic diseases and hormone disorders. To show you how large some specimens of individual animal species can actually be, we compiled a list with 25 Larger Than Life Animals That We Can’t Believe are Real. From a 417 kg (919 lb) tortoise and a 37 m (121 ft) jellyfish to a 25 lb (11.3 kg) rat and a 20 kg (44 lb) lobster, you will be astounded to find out how gigantic creatures can actually be out there.
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The largest and heaviest tortoise ever recorded was the Galapagos tortoise aptly named Goliath. It was 135.8 cm (4 ft 5 in) long, 102 cm (3 ft 4 in) wide, 68.5 cm (2 ft 3 in) high, and weighed 417 kg (919 lb). Goliath passed away in Florida in November 2002.
The largest recorded specimen of a jellyfish was the lion´s mane jellyfish (also known as hair jelly), which washed up on the shore of Massachusetts Bay in 1870. The jellyfish had a bell with a diameter of 2.3 m (7 ft 6 in) and tentacles 37 m (121 ft) long.
The world’s largest known spider is a male goliath bird-eating spider (Theraphosa Blondi) collected by members of the Pablo San Martin Expedition at Rio Cavro, Venezuela in April 1965. It had a record leg-span of 28 cm (11 in) – enough to cover an entire dinner plate.
The largest stingray (and possibly also the largest freshwater fish) ever recorded was a stingray caught on the Mae Klong River in Thailand in 2015. The gigantic flat fish was 244 cm (8 ft) wide, 427 cm (14 ft) long and weighed about 363 kg (800 lb).
Coming in at 1.3 m (4 ft 4 in) long and weighing 22.2 kg (49 lb), Darius is the biggest rabbit in the world. Owned by Annette Edwards from Worcestershire, UK, the rabbit is a member of the Continental Giant Breed, which was originally bred for meat but is now prized as a loving pet.