The arapaima is possibly the largest freshwater fish in the world, reaching up to 440 pounds (200 kilograms) and 10 feet (3 meters) in length. However, sizes of 200 pounds (90.7 kilograms) and 7 to 8 feet (2.2 to 2.4 meters) in length are more common.

How big do arapaima get in captivity?

Size of fish - inches: 177.0 inches (449.58 cm) - They will seldom reach over 23.62 inches (60 cm) in captivity. Most reach about 6.6 feet (200 cm) in the wild.

Are arapaima fish good to eat?

But because it's also very tasty... The arapaima looks less like a fish than a prehistoric torpedo. ... Arapaima also happens to be delicious. The meat of the fish—also known as paiche or pirarucu—is boneless, odorless, and mild, making it a prized catch for both local fishermen and chefs abroad.