Most Expensive Aquarium Fish

This large fish is the most highly sought-after fish in the world and is considered to be so high value that they are given a microchip before they are sold. These fish can sell for $200,000 or more, with a Platinum Asian Arowana selling for $400,000 or more. These fish do reach over 4 feet in length and require a large tank of at least 250 gallons.