4 Oldest Koi Fish in the WorldPublished on: March 18, 2025
The average life expectancy for koi fish outside of Japan is about 15 years, while…
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9 Oldest Birds in the WorldPublished on: March 18, 2025
The average lifespan of birds varies widely depending on the species. On the high end,…
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10 Oldest Zoos in the United StatesPublished on: March 18, 2025
The title of the oldest/first zoo in the United States is hotly contested. The Philadelphia…
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8 Oldest Reptiles in the WorldPublished on: March 18, 2025
Reptiles are some of the longest-living and oldest animals in the world. Depending on the…
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5 Oldest Aquarium Fish in the WorldPublished on: March 18, 2025
The lifespan of aquarium fish varies greatly depending on the species. Some aquarium fish only…
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10 Oldest Sea Turtles in the WorldPublished on: March 18, 2025
In general, very few sea turtles are in captivity around the world. Sea turtles typically…
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8 Oldest Elephants in the WorldPublished on: March 18, 2025
kDepending on the species, elephants can live upwards of 70 years in the wild. Since…
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8 Oldest Tortoises in the WorldPublished on: March 18, 2025
Tortoises have one of the longest lifespans of any animal, with the average ranging anywhere…
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10 Oldest Whale Species in the WorldPublished on: March 18, 2025
Whales are some of the oldest animals in the world, with several species living over…
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10 Oldest Sharks in the WorldPublished on: March 18, 2025
For many years, scientists were unable to properly age sharks because of their soft cartilage.…
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