Australia's rarest freshwater fish is often considered the Red-finned Blue-eye, Scaturiginichthys vermeilipinnis, once critically endangered due to invasive Gambusia (mosquito fish) but now recovering thanks to intense conservation efforts in Queensland's Great Artesian Basin springs, though other candidates like the Bloomfield River Cod and several Galaxiids are also extremely rare and threatened.
The Red Handfish (Thymichthys politus) is one of the rarest fish on Earth. Unlike most fish, it "walks" across the seafloor using modified pectoral fins resembling tiny hands. Found only in shallow waters off Tasmania, Australia, it crawls slowly along sandy seabeds and seaweed patches.
Muskie. There are few fish in the country or world that will push an angler to their limit quite like a muskie. A fish so infamous for its difficulty to find, its been labeled the "fish of 10,000 casts".
Snapper and barramundi are the two most widely regarded ``best tasting'' Australian fish for general dining--snapper for its clean, sweet white flesh and barramundi for its buttery richness. Personal preference (lean vs. oily) and freshness will ultimately determine which one tastes best to an individual.
The Asian Arowana is the most expensive fish. It's also known as Dragon Fish. This goldmine lives in the freshwater waters of Southeast Asia, i.e., Cambodia, Malaysia, Indonesia, Thailand, and Vietnam.
The #1 rarest fish is often considered the Devil's Hole Pupfish (Cyprinodon diabolis) due to its incredibly small habitat in a single Nevada cavern, though some sources cite the Red Handfish as rarer, with only around 100 individuals left in Tasmania; both face critical endangerment, but the Pupfish lives in the smallest known home for any vertebrate.
Fish worth a million dollars are typically rare, high-quality bluefin tuna sold at Japan's New Year auctions for prestige and good fortune, or exceptionally rare Japanese koi bred for unique colors and patterns, with recent sales reaching over $3 million for tuna and $1.8 million for koi. These prices reflect cultural value, culinary demand, and the fish's status as a collector's item rather than just food.
Freshwater—excepting the Great Lakes:
The Murray Cod is Australia's largest freshwater fish. The biggest recorded was 1.8 m long and weighed 113 kg!
The healthiest fish in Australia are oily fish rich in omega-3s and low in mercury, like salmon, sardines, mackerel, herring, and canned salmon/sardines, alongside white fish such as barramundi, snapper, and flathead, which offer protein and nutrients; prioritize grilling, baking, or steaming for healthy preparation.
Goliath Tigerfish
Smart, aggressive with razor-sharp teeth, and not shy around humans (they are known to attack), Goliath Tigerfish are the hardest freshwater fish to land. They are native to the waters of the Congo River Basin, and even there, they prove to be extremely rare.
Catfish have more taste buds than humans do in their mouths, with some species having over 27,000. These taste buds are spread across their entire bodies, including their skin, fins, and barbels (whiskers).
Article Content. The scales of the massive Amazonian freshwater fish, Arapaima gigas, are so tough that they do not tear or crack when a piranha—which has one of the animal kingdom's sharpest bites—attacks.
Stone fish. Loaded with a poisonous toxin, the stone fish can inflict excruciating pain and possible death onto the unwary with its 13 dorsal spines. Dwelling among stony, muddy areas the most common cause of injury is usually from swimmers or waders accidentally stepping on a stone fish.
The vaquita is the most endangered cetacean in the world. With as few as around 10 left, the species will become extinct without a fully enforced gillnet ban throughout their entire habitat.
While it varies, Blue Warehou, Striped Marlin, and Southern Bluefin Tuna (SBT) are consistently cited as heavily overfished species in Australia, with SBT being critically endangered and others like Blue Warehou and School Shark listed as threatened, often caught as bycatch in major fisheries like the Southern and Eastern Scalefish and Shark Fishery (SESSF).
5 Freshwater Seafood Species to Try
The 276-kilogram tuna was caught off the coast of Oma in the northeastern prefecture of Aomori Japan…
Last seen in 2007, the Chinese Paddlefish is likely the world's rarest freshwater fish. Native to the Yangtze River in China, its long protruding nose makes it one of the world's longest freshwater fish. Unfortunately, this fish's status is unknown, and many scientists think it could be extinct due to human activity.
Your typical panfish like crappie and bluegill have a light, delicate, sweet flesh that makes them some of the best-eating fish in freshwater. Their fillets and even their skeletons can be fried into crispy mounds of deliciousness.
Bluefin Tuna
Esteemed especially for its unparalleled flavor, this deep sea fishing marvel is the ingredient of choice for the most exquisite sushi and sashimi dishes. Value of this fish ranges from $20 to $5,000 Per Pound, and you'll find shows like Wicked Tuna out there highlighting captains going after Bluefin.
The #1 rarest fish is often considered the Devil's Hole Pupfish (Cyprinodon diabolis) due to its incredibly small habitat in a single Nevada cavern, though some sources cite the Red Handfish as rarer, with only around 100 individuals left in Tasmania; both face critical endangerment, but the Pupfish lives in the smallest known home for any vertebrate.
Koi are beautiful and long-lived fish, living up to and past 100 years in optimal conditions. In domestic ponds, they typically live around 15 to 30 years. Japanese koi often live 40 years or longer. The oldest koi fish on record was around 200 years old! Contact us today about maintaining your backyard fish pond.
A Japanese sushi restaurant bid $3.24 million (510 million yen) for a single bluefin tuna, the highest price ever paid, at the annual New Year auction at Tokyo's Toyosu fish market https://reut.rs/497J5pd.