10 Expensive Aquarium Fish for the Discerning Collector

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Aquarium enthusiasts often seek unique and exotic fish to enhance their underwater displays. However, some fish come with steep price tags that reflect their rarity, beauty, and the specialized care they require. Here’s a look at ten of the most expensive fish you can get for your aquarium.

Platinum Arowana: $400,000

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The Platinum Arowana is the most expensive aquarium fish in the world, fetching prices up to $400,000. This stunning fish features a metallic platinum sheen and a long, elegant body. Its rarity and cultural significance in Asian communities symbolize prosperity and good fortune, and this makes it highly valuable.

Freshwater Polka Dot Stingray: $100,000

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With its distinctive black body adorned with white spots, this stingray can cost anywhere from $1000 to $100,000. The Polka Dot’s unique appearance and limited availability, along with the specialized care it requires in captivity, contribute to its high price tag.

Peppermint Angelfish: $30,000

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This strikingly beautiful species has commanded a staggering price tag of $30,000. With its vibrant red body and white stripes, this fish is often considered the “holy grail” for aquarium enthusiasts. Its rarity and the difficulty of capturing it in the wild make it an expensive addition to any aquarium.

Masked Angelfish: $20,000

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Another stunning species is the Masked Angelfish, which retails for around $20,000. This fish features a striking color pattern, a black eye mask, and a bright turquoise body. Found primarily in Hawaii, its limited distribution and specialized care requirements contribute to its high market value.

Clarion Angelfish: $15,000

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With $15,000, you could get your hands on a Clarion Angelfish. The price might sound steep, but you’ll probably be okay with the cost once you see its bright orange body adorned with blue stripes. Its limited range and declining population mean the price is rising, so make your purchase fast.

Wrought Iron Butterflyfish: $10,000

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Prices for the Wrought Iron ButterflyFish come down to luck and some elbow grease. On a good day, you can land one for around $2700, but if you’re not careful, you might find yourself looking at a $10,000 invoice. Its distinctive metallic coloration appeals to many aquarium enthusiasts, which is why it’s so coveted.

Golden Basslet: $9,000

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Famous for its bright yellow coloration and small size, this species is beautiful and rare and can set you back a cool $9,000. Its preference for deep-water habitats makes it challenging to catch, further driving up its value in the aquarium trade.

Neptune Grouper: $6,000

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The Neptune Grouper is another prized aquarium fish that can be purchased for up to $6,000. With its impressive size and striking coloration, this species requires ample space to thrive. Capturing it is arduous, but acclimating it to an aquarium is also a major hurdle, further adding to its complexity.

The Clown Triggerfish: Starting at $400

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This fish is an enigma, considering it’s a somewhat common anomaly. This makes its pricing quite odd, as various factors, such as size and patterns, determine its value. Currently, the cheaper ones will cost you around $400, with the more expensive ones going well over the $1000 mark.

Koi Fish: From $10 to $20,000 

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Koi fish are popular among aquarium enthusiasts but prices can fluctuate significantly depending on their color patterns, size, and lineage. The rare varieties fetch thousands of dollars at auctions or specialty shops. Their beauty and cultural significance contribute to their high market value among collectors.

Written by Johann H