The oldest fish in the world is the
Haikouichthys, from about 518 million years ago in China, may be the earliest known fish.
Hanako (c. 1751 – July 7, 1977) was a scarlet koi fish owned by several individuals, the last of whom was Dr. Komei Koshihara. The name Hanako (花子) translates to "flower child" in Japanese. Far exceeding the average lifespan for her breed, she was reportedly 226 years old at the time of her death.
Scientists recently revealed that one of the rarest fish on the planet, the coelacanth, actually lives for well over 100 years. They used a new scale analysis method to determine the age of these remarkable-looking and mysterious creatures.
The tubeworm Escarpia laminata that lives in deep sea cold seeps regularly reaches the age of between 100 and 200 years, with some individuals determined to be more than 300 years old. Some may live for over 1000 years.
The average lifetime of a goldfish is ten to fifteen years. The longest-lived goldfish on record lived to age 43.
The Devils Hole Pupfish is the Rarest Fish in the World
It's that cool. There is so much to write home about the Devils Hole pupfish and its crazy-alluring environment, so—please—read on! But if you take away one thing—and one thing only—let it be this: it's the rarest fish in the whole world.
Creme Puff is the oldest cat ever at 38 years and 3 days old. She was born on August 3, 1967, and died on August 6, 2005.
Ichthyostega lived between 370 to 362 million years ago. Their extinction was due to a large-scale fish extinction about 360 million years ago. This extinction event caused a reset to the evolution of life on earth.
Coelacanths:Fish that predates dinosaurs, with history dating back to 420 million years, caught alive.
Coelacanths first appeared during the Devonian Period roughly 400 million years ago, about 170 million years before the dinosaurs.
Ocean quahog clam (Arctica islandica): 507 years old
The individual animal that holds the confirmed record for the longest-lived is a clam from Iceland, found off the coast of the island nation in 2006, which was 507 years old, calculated by counting the annual growth bands in its shell.
What is thought to be an 890-million-year-old proto-sponge is now the oldest animal known to have lived on Earth. It was found to have been a lot more complex than bacteria, which was unexpected for something that spawned so long ago, but its structure is unmistakable and gives it away as a sponge.
In eastern California, a Great Basin bristlecone pine (Pinus longaeva) known as Methuselah has long been considered Earth's oldest living thing. According to tree-ring data, Methuselah is 4,853 years old — meaning it was well established by the time ancient Egyptians built the pyramids at Giza.
Bobi is 30 years and 266 days old as of Feb. 1, according to Guinness. He is a purebred Rafeiro do Alentejo, a livestock guardian dog with an average life expectancy of 12 to 14 years. Now he's the world record holder for oldest living dog.
With just 100 or so left in the wild, the aptly named red handfish (Thymichthys politus) makes Australia's other critically endangered species seem positively abundant. But a team of dedicated researchers has been toiling for years to ensure the survival of the grumpy-looking creature, about which little is known.
The coelacanth species is also known as the "four-legged fossil fish" and dates back to 420 million years ago.
The rarest animal in the world is the vaquita (Phocoena sinus). It is a kind of critically endangered porpoise that only lives in the furthest north-western corner of the Gulf of California in Mexico. There are only 18 left in the world. It is thought that they may be extinct in ten years.
Guinea pigs live for an average of 5-7 years, but some have lived much longer. In fact, according to the Guinness Book of World Records, the oldest known guinea pig was almost 15 years old! More commonly, domestic guinea pigs live an average of 5 years.
Nottinghamshire pet Snowball still holds the official Guinness World Record as the oldest ever guinea pig on Earth. The impressive animal lived to be 14 years and 10.5 months old before passing away on February 14, 1979.
Can you eat goldfish? The short answer is goldfish are as edible as any other freshwater fish; however, they are most likely not very tasty. Goldfish would taste of the foods that they eat – so, for example, a pet goldfish would probably taste a bit like fish flakes and pellets!
The increased longevity of humans is, in part, attributable to environmental changes; improved food, water, and hygiene; reduced impact of infectious disease; and improved medical care at all ages. However, the above factors had an opportunity to play some role in increasing lifespan only in the last 2 centuries.