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2007-02-03 11:36:01 · 21 answers · asked by walfish6h 2 in Science & Mathematics Zoology

21 answers

galapogos tortoise, up to 200 years

2007-02-03 11:39:11 · answer #1 · answered by arleigh j 3 · 0 0

A new study has concluded that the red sea urchin, a small spiny invertebrate that lives in shallow coastal waters, is among the longest living animals on Earth--they can live to be 100 years old, and some may reach 200 years or more in good health with few signs of age. No animal lives forever, but red sea urchins appear to be practically immortal. They can die from attacks by predators, specific diseases or being harvested by fishermen. But even then they show very few signs of age. This small marine animal, which is found in shallow Pacific Ocean coastal waters from Alaska to Baja California and also elsewhere in the world's oceans, lives by grazing quietly on marine plants and deterring most predators with its pointy spines. Historically, it had been considered a nuisance.

A tortoise is a reptile and a whale is a mammal.

2007-02-03 19:46:39 · answer #2 · answered by Anonymous · 0 0

The giant tortoise lives the longest (up to 177 years in captivity) and the gastrotrich (a minute aquatic animal) lives the shortest — three days.

2007-02-03 19:40:22 · answer #3 · answered by kittycymraeg 3 · 1 0

The giant tortoise lives for anything from 100 to 200 years.

2007-02-03 19:39:27 · answer #4 · answered by Gnomon 6 · 1 0

A Madagascar radiated tortoise (Geochelone radiata) to the age of at least 188 years old! The animal was called Tui Malila.

2007-02-07 17:46:32 · answer #5 · answered by superloopy70 3 · 1 0

There are several answers on the internet, so you will have to take your pick. I have not been able to verify these statistics of various animals in captivity, but several species of tortoise seem to be the longest-lived animals by recorded history.

In Fact...Animal Life Spans

Different species of animals have dramatically different life spans. While a mayfly may live only three hours, tortoises can reach 150 years of age! Here are some of the "oldest old" recorded ages of several animal species: African elephant 70 years
Arctic clam 220 years (again,how they got this statistic is a question. Where can they verify that one single sample lived for more than two centuries?) . . . .

A: The giant tortoise lives the longest, about 177 years in captivity. . . . .


Galapagos Land Tortoise 193 (this statistic has some credibility, if only because the Galapagos Islands are so isolated, and the animal life on those islands have no natural predators or enemies. And tortoises that large have their own shell protection. Several Galapagos tortoises were sent to England after the exploratory trips of Darwin, and may well have survived in British zoos that long. ) . . . . .

Life spans: Regarding your answer for the longest-lived animal, I have a correction: the rougheye rockfish has been aged to 205 years.. . . . .

In the world of animalia longest life span animal is Havai Island(USA) tortoise more than 150years (I think the writer meant Hawaii Tortoise (sounds like "Havai" when pronounced.) . . . . .

tortoise in orissa is a record which lived for more than 400 years! (I hae not been able to track down the source of this story...or verify its truth. Vaguely possible, I guess. But records going back 400 years are rare and hard to double-check. I did check out a story about Orissa (Calcutta) from a newspaper there: . . . .
"Alipore zoo plans to bring in two marine turtles from Orissa to replace Adwaitya, the over 200-year-old Aldabra tortoise that died last Wednesday.

The suggestion came from a board member during a meeting on Monday to mourn the death of the tortoise.

Adwaitya had been one of the attractions of the zoo since his arrival in 1875. The shell on the lower part of the tortoise?s body had developed a crack a few months ago. It was repaired subsequently.

The post-mortem suggested that Adwaitya died of old age and his liver and kidneys were not functioning properly. The carapace will be preserved in the zoo, primarily for the benefit of zoology students.". . . . .. . . . .


Longest is a mollusk called the Icelandic Cyprine (Arctica islandica), is the oldest reported animal ever, with a maximum recorded lifespan of 374 years (I guess a mollusk is an animal--sort of....How they got this lifespan is a mystery. Who would keep a mollusk as a pet for 374 years ! ) . . . . .

The Aldabra Giant Tortoise lived to be over 250 years old at a zoo. (I had never heard of this species of tortoise, so I sought some more information about it on the internet. Here is what I learned:
"The Aldabra Giant Tortoise (Geochelone gigantea), from the islands of the Aldabra Atoll in the Seychelles, is one of the largest tortoises in the world. Similar in size to the famous Galapagos Giant Tortoise,. . . The main population of the Aldabra Giant Tortoise resides on the islands of the Aldabra Atoll in the Seychelles. The atoll has been protected from human influence and is home to some 152,000 giant tortoises, the world's largest population of the animal. Another isolated population of the species resides on the island of Zanzibar
Large tortoises are among the longest-lived animals on the planet. Some individual Aldabra Giant Tortoises are thought to be over 100 years of age, but this is difficult to verify because they tend to outlive their human observers. Adwaitya (The One and Only) was reputedly one of four brought by British seamen from the Seychelles Islands as gifts to Robert Clive of the British East India Company in the 18th century and came to Kolkata Zoo in 1875. At its death in March 2006 at the Kolkata (formerly Calcutta) Zoo in India, Adwaitya is reputed to have reached the longest ever measured life-span of 255 years (birth year 1750), although the accuracy of this is disputed due to a lack of contemporary records." (wikipedia.)

2007-02-03 20:01:56 · answer #6 · answered by JOHN B 6 · 1 0

The tortoises live to be 100. And some turtles.

2007-02-05 03:38:56 · answer #7 · answered by Qyn 5 · 0 0

sea turtles or tortoises. No one knows how long they live for exact certain. The only known age tortoises lived to be about 200yrs, and there weren't that many. Think about it: that turtle lives 2-3 human lifespans...it is hard to keep data that long.

2007-02-03 19:54:20 · answer #8 · answered by D 7 · 1 0

I think it's something like the giant tortoise (or turtle, I'm not sure). Because they are so slow and don't rush through life, they last for a couple of hundred years.

2007-02-03 19:39:58 · answer #9 · answered by iwalkalonelyroad 2 · 0 0

Tortoises can live to be over 3 hundred years old.

2007-02-03 19:40:01 · answer #10 · answered by Say What? 5 · 0 0

Tortoise.
A tortoise can lives 100 years or more.

2007-02-03 19:41:15 · answer #11 · answered by Felicidade 6 · 0 0

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