How big do catfish grow?

The maximum reported size varies greatly by species. One of the largest species of catfish is the Mekong giant catfish, which has been known to reach a length of over 13 feet and a weight of over 646 pounds.

Other species of catfish include:

* The Amazonian giant catfish, measuring up to 11 feet long and weighing over 573 pounds.

* The flathead catfish, reaching a maximum length of 8 feet and a weight of over 123 pounds.

* The blue catfish, growing to more than 6 feet in length and weighing up to 143 pounds.

* The wels catfish, native to Europe, reaching a maximum length of nearly 8 feet and a weight of over 330 pounds.