Amazing Arapaima: Photos of the Amazon's Biggest Fish

1 of 5

It was this big!

Credit: Leandro Castello, Virginia Tech
The largest freshwater fish in South America, arapaima (Arapaima gigas) can grow to over 10 feet (3 meters) long and have been known to tip the scales…Read More »

at over 400 pounds (180 kilograms). Typically gray in color, their bodies are wide with a tapered head.   Less «
More from LiveScience