18 Massive Animals That Actually Exist!

8. Giant Mekong Catfish

The next time you cast your fishing line, you might want to hesitate when you feel a big tug. In 2005, fishermen from Northern Thailand managed to reel in one of the biggest fish that we have ever seen. The Giant Mekong Catfish ended up weighing in at 646 pounds while reaching a length of nine feet. For a comparison, this fish was as large as a grizzly bear.