We start our list by looking at the most expensive freshwater fish in the world. With the notable exception of the Arowana, freshwater fish species tend to be less pricey than their marine counterparts.. Outrageously priced and astonishingly rare, these 10 most expensive aquarium and food fish will make you rethink what true value really is.
The most expensive aquarium fish that has been sold on record was a Flowerhorn Cichlid that sold in Malaysia in 2009 for $600,000. This hybrid species of Cichlid can be purchased at an affordable price if you're not looking for a showpiece, though.. As a rule of thumb, the more koi fish in a specific line have a certain set of colors, the more valuable they are. 1. Bluefin Tuna - $3.1 million With an incredible and record-setting $3.1 million selling price, the Bluefin Tuna is the most expensive fish in the world. The price was obtained at an auction in Japan in 2019.