The aptly named Methuselah, a lungfish at the Steinhart Aquarium in San Francisco, is the oldest fish held in captivity, with an estimated age between 92 and 101 years.

Methuselah arrived on US soil in 1938, on a steamboat from Australia, along with 230 other fish. Today, she – scientists believe it’s a female, although they can’t be sure – is the only living fish out of all the ones that left the steamboat. She was only a little fish back then, but she kept growing as the years passed and the aquarium life seemed to suit her. The people peering at her through the glass wall didn’t seem to stress her out one bit, and she still enjoys peering back at visitors to this day. She was originally given the unofficial title of oldest fish in captivity back in 2017, when experts estimated her age at 84. However, more recent tests showed that Methuselah is even older than previously anticipated – at least 92 years old and up to 101.

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Tish, the oldest goldfish in recorded history, lived to the ripe old age of 43. In his later years, his scales actually started changing from gold to silver.

The average lifespan of a common goldfish (Carassius auratus), is 10-15 years, but the current Guinness Record for the oldest goldfish ever was set by a male goldfish named Tish that remarkably reached the age of 43. He spent his life in a fish bowl in North Yorkshire, UK, under the care of Hilda Hand and her son Peter. The latter won Tish as a prize at a fairground roll-a-penny stall in 1956, when he was only 7 years old, and after he left the family home, his mother continued looking after the aging goldfish. No one really expected Tish to reach his 40s, considering that most goldfish barely make it past a decade, but somehow he did, and, 24 years after his death, he still holds the record for the oldest goldfish ever.

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Indigirka Salad, a Russian fish salad that originated in Yakutia, the coldest inhabited region in the world, was recently voted the worst dish in the world by the readers of online food guide Taste Atlas.

Indigirka is a rather simple dish – it consists of diced whitefish such as broad whitefish, elma, and muksun combined with onions, and seasoned with oil, salt, and pepper. That doesn’t sound so bad, right? Well, at least not so bad as other dishes we’ve featured on Oddity Central in the past. The problem with Indigirka salad is that the fish is not only raw, but frozen solid, which is to be expected from a dish born in a region where temperatures routinely drop below -70 degrees Celsius. The dish is usually served as an appetizer, accompanied by lemon wedges and a shot of vodka.

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The Lingcod, a fish native to the North American west coast, usually has brown-red or even greyish skin and white flesh, but about 1 in 5 specimens are actually neon blue both inside and out, and no one really knows why.

Popular both among recreational fishermen and seafood lovers for its delicious meat, the lingcod is a bottom-dwelling fish that can grow up to a size of 152 centimeters. It’s a voracious predator that feeds on virtually anything that moves and fits into its large mouth and has only a couple of species of seals and human fishermen to worry about. The Lingcod is sometimes referred to as ‘smurf cod’ due to the fact that about 20 percent of specimens have neon blue flesh that looks either alien or affected by nuclear radiation. Interestingly, while scientists have theories about this bizarre coloration, we have yet to establish why some lingcod have blue flesh.

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A Vietnamese man has become famous in his home province of An Giang for taking care of thousands of wild river fish who visit his house every day for food.

Muoi Phuc’s house in Long Kien, Vietnam’s Mekong Delta, is a popular attraction for both locals and tourists. People routinely stop by to watch the man feed a school of wild fish that visits him daily. When the 52-year-old man started feeding the fish, it was just a handful of pangasius, but over the last two years, their number grew at a steady pace, and now thousands of fish stop by his riverside home every day for a bite to eat. The fish are free to come and go as they please, and others have tried attracting them by throwing food into the river, but for some reason, they only stop at Muoi Phuc’s house.

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A Thai man recently underwent emergency surgery to have a spiky fish removed from his throat, after it allegedly jumped out of the water and straight into his open mouth.

It sounds like the plot of a scene in a goofy comedy, but according to Thai news sources that have since been picked up by international media outlets, an angler fisherman almost choked to death after a small fish randomly jumped into his open mouth and got lodged in his throat. The unnamed man was reportedly spearfishing in a river, and just as he came up for a breath of air, a spikey Anabas fish randomly jumped out of the water and straight into his mouth. As he was in the process of inhaling, the fish got all the way into his throat where it became lodged.

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The problem with having fish as pets is that you can’t really take them with you on the go like you can land mammals like cats and dogs. Well, unless you have one of these mobile fish tanks, that is!

It all started with a series of posts on the Facebook Open Society group from members who claimed to have spotted a man walking his pet fish around Taipei in a contraption that looked like a fish tank on wheels. Some of the photos went viral, and people started commenting that the man pushing the fish tank was a popular Taiwanese DIY youtuber called Huang Xiaojie, aka ‘Jerry’. Sure enough, on April 23rd, Jerry released a video showcasing his invention, calling it one of his toughest challenges yet.

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Scientists recently found that one of the world’s “toothiest” animals, the Pacific lingcod, keeps its 555 teeth razor-sharp by losing up to 20 of them every day and growing them right back.

The Pacific lingcod (Ophiodon elongatus) is a carnivorous fish found in the North Pacific. You couldn’t tell just by looking at it, but this 20-inch (on average) fish has one of the scariest mouths in the world. Instead of the incisors, molars, and canines we’re used to seeing, it has hundreds of nearly microscopic teeth lining its jaws. Their hard palate is also covered in hundreds of tiny spikes, as are the pharyngeal jaws, a set of accessory jaws that the lingcod uses to chew its food the way we use our molars. Now scientists have found that Pacific lingcod keep their hundreds of teeth sharp by losing and then growing dozens of them in a day.

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You couldn’t tell by looking at its slender, rather frail frame, but the needlefish is one of the world’s most dangerous fish to humans, with multiple cases of injuries and even fatalities reported throughout the years.

A member of the family Belonidae, the needlefish is a piscivorous species whose most distinctive feature is the long, narrow beak filled full of sharp, saw-like teeth. But it’s not the teeth that should worry you – they’re only used to catch smaller fish – but the combination of an extremely pointy beak and incredible speed. Needlefish swim close to the surface of the water and like to jump over obstacles like shallow boats rather than go around them. The problem is that they jump at speeds of up to 60km/h (37mph), and since their obstacles sometimes happen to be humans out at sea, they literally impale them with their long beak, causing serious, sometimes fatal injuries.

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The “Class of Life” is a controversial program introduced in various Japanese middle-schools where students spend months raising and getting attached to fish, before having to decide whether to eat them or not.

A part of the Sea and Japan Project sponsored by Nippon Foundation, the Class of Life was introduced in a number of schools across Japan in 2019, with the goal of teaching young students about the work that goes into land-based aquaculture, the challenges the activity involves, and last but not least, the importance of life. To this end, students in classes 4th to 6th are entrusted with a number of small fish and tasked with raising them to maturity for at least six months and up to a year. The controversial aspect of the program is that at the end, the students need to decide the fate of the fish, whether to release or eat them…

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Cookie-cutter sharks are a small species of shark about the size of a domestic cat that will attack predators several times their size, biting off conical chunks of their flesh, and even the soft parts of nuclear submarines.

The cookie-cutter shark (Isistius brasiliensis) was discovered in the early 19th century, by French naturalists, but it wasn’t until the 1970s that marine scientists realized just how brave and dangerous these small marine creatures could be. Up to that point, the conical, deep wounds that researchers often documented on all sorts of marine life, from small fish to dolphins and even great white sharks, were a mystery. It wasn’t until 1971, when Everet Jones discovered small conical pieces of flesh in the stomachs of cookie-cutter sharks that marine scientists began to realize that the deceptively small sharks could severely wound some of the ocean’s mightiest creatures.

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A Japanese company is working on a quirky container-like bag for live fish, suitable both for pet owners wanting to take their favorite fish on walks, and fans of super-fresh sashimi…

Known as “katsugyo bag” this portable fish tank is shaped like a long tube with a transparent middle section, a handle and a gauge, which, if I had to guess, monitors the oxygen saturation of the water. It is being developed by “Ma Corporation”, and aims to become a more elegant, efficient and environmentally-friendly alternative to the old water-filled plastic bag.

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The South American Leaf Fish is a remarkable predator that relies on almost perfect camouflage and patience to both ambush unsuspecting prey, and escape larger predators.

Native to the Amazon basin in Bolivia, Brazil, Colombia, Peru and Venezuela, the aptly-named leaf fish does a great job of imitating a dead leaf floating near the bottom of the river. Not only has it evolved to resemble a dead leaf almost perfectly, down to tiny details like the filament at the tip of the lower jaw that resembles a leaf stalk, but it also behaves like a leaf. The leaf fish bends and sways, but rarely moves upright, just as a floating leaf would not, and often angle themselves facing downwards, so that it looks like a dead leaf floating in the water.

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A 24-year-old man almost choked to death after a small fish got lodged in his throat following a bizarre fishing accident.

Colombian media recently reported the case of a young young man from the country’s Pivijay municipality, who almost lost his life in a very peculiar fishing accident. The man, whose name has not been revealed, was reportedly fishing for his family on January 23rd, when he managed to catch a fish. He had just finished removing the hook when he noticed that another fish was pulling on the other line. Unwilling to let it swim away with the bait, the fisherman put the caught fish in his mouth and rushed to grab the other fishing rod. Only the fish had other plans…

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The archerfish is famous for its ability to accurately shoot prey from several meters away with a powerful jet of water generated from its mouth.

Toxotes jaculatrix, commonly known as the archerfish, lives in the in mangroves of southern and southeast Asia, where they spend much of their time stalking prey from beneath the surface of the water, ready to hit it with a powerful jet of water, knock it out of the sky or whatever surface it’s sitting on, and then swallow it whole. The incredible accuracy of the arrow fish has long fascinated scientists, especially as studies have shown that it can adjust for various factors, like gravity, or the distance its target is at, to maximize its chances of success.

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