Has any animal lived 1000 years?

Estimates of sponge longevity vary quite a bit, but are often in the thousands of years. One study in the journal Aging Research Reviews notes a deep-sea sponge from the species Monorhaphis chuni lived to be 11,000 years old. Yes, a sponge is an animal—and it has a remarkable life-span.

nationalgeographic.com - Meet the Animal That Lives for 11,000 Years - National Geographic

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"What’s the top ranking of the longest living animal?” Mohamed Larbi Bahou asked Weird Animal Question of the Week.

Some days it feels like it might be me.

Kidding aside, humans these days live pretty long lives: The average global life expectancy of someone born in 2015 is 71.4 years. That’s not bad compared with some adult female mayflies, which live for under five minutes—just long enough to mate and lay eggs. Talk about speed dating. We did some digging and found some animals who are really getting the use out of their senior discount cards.

The Old Clam and the Sea

The sea harbors many a Methuselah.

Take sponges, for example. “People often forget sponges are animals”—and some of them very long-lived animals at that, Marah J. Hardt, author of Sex in the Sea: Our Intimate Connection With Sex-Changing Fish, Romantic Lobsters, Kinky Squid, and Other Salty Erotica of the Deep, says via email. Estimates of sponge longevity vary quite a bit, but are often in the thousands of years. One study in the journal Aging Research Reviews notes a deep-sea sponge from the species Monorhaphis chuni lived to be 11,000 years old.

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Ming, a quahog clam, died at the age of 507 when researchers tried to dredge the bivalve up from Icelandic waters. The quahog’s life-span is usually about 225 years. (Also see "405-Year-Old Clam Called Longest-Lived Animal.") Some deep-sea fish, like the orange roughy, live to be 175 years old, according to the book Sexuality in Fishes. As far as mammals go, bowhead whales seem to have the most candles on their cake—over 200. It makes sense, since the marine mammals live in chilly waters, says Don Moore, director of the Oregon Zoo in Portland. (Related: "Six of the World’s Longest Lived Mammal Species.")

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A cold environment causes a low body temperature, which in turn means slow metabolism—and thus less damage to tissues, Moore says. Incidentally, according to the National Ocean and Atmospheric Administration, the bowhead also has the largest mouth of any animal. No comment.

Long-Lived Landlubbers

Currently the world's oldest known land animal is Jonathan, an 183-year-old Aldabra giant tortoise that lives on the grounds of the governor’s mansion in St. Helena, an island off West Africa. (Related: "Healthy Diet Helps 183-Year-Old Tortoise Feel Young Again.")

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John Klicka, curator of birds at the Burke Museum in Seattle, says the oldest known wild bird is a 65-year-old Laysan albatross named Wisdom, which has shattered scientists' belief that her species lives to 40. Not only that, Wisdom is still giving birth to and raising healthy chicks. Big birds like albatrosses tend to live longer, so they mature later and breed less frequently, Klicka says, whereas small birds “are lucky to live five years in the wild." That means they must mature quickly and “produce as many clutches as possible” during breeding season. The kakapo, a critically endangered parrot native to New Zealand, lives up to 60 years. There are a little more than a hundred kakapos left on Earth. They're also the only flightless parrots in the world. Here's hoping their population, at least, can soar again. What oldsters did we miss? Let us know or leave another question in the comments. Weird Animal Question of the Week answers your questions every Saturday. If you have a question about the weird and wild animal world, tweet me, leave me a note or photo in the comments below, or find me on Facebook.

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What is musk ox hair called?

Qiviut Qiviut (pronounced "kiv-ee-ute"), the downy-soft underwool from the Arctic musk ox, is shed naturally each year during the spring months. Eight times warmer than wool and extraordinarily lightweight, Qiviut is one of the finest natural fibers known to man.

qiviut.com - Oomingmak - Original Alaskan Qiviut Handknits Store

Alaskan Qiviut Handknits

Oomingmak is the Alaskan co-operative that has brought exquisite Qiviut items to you as a unique northern gift since 1969. It is owned by approximately 250 Native Alaskan women from remote coastal villages of Alaska who knit each item by hand. Each village has a signature pattern derived from traditional aspects of village life and the Eskimo culture; they may come from an ancient artifact or a beadwork design. Qiviut (pronounced "kiv-ee-ute"), the downy-soft underwool from the Arctic musk ox, is shed naturally each year during the spring months. Eight times warmer than wool and extraordinarily lightweight, Qiviut is one of the finest natural fibers known to man. All of our items are 100% Qiviut and in the natural color. The caps and scarves made by the knitters are as comfortable to wear on cool days in a warm climate as they are in chilly weather. Unlike wool, Qiviut is not scratchy and will not shrink in any temperature of water. It can be hand-washed in any mild detergent and will last for many years.

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