What is the classification of catfish?

Catfish are classified in the order Siluriformes. This order is within the class Actinopterygii (ray-finned fishes) and the superclass Osteichthyes (bony fishes).

Here's a breakdown of their classification:

* Kingdom: Animalia

* Phylum: Chordata

* Class: Actinopterygii

* Subclass: Neopterygii

* Infraclass: Teleostei

* Superorder: Ostariophysi

* Order: Siluriformes

It's important to note that this classification is based on traditional taxonomy and may be subject to change as scientists learn more about these diverse fish.

There are over 3,000 species of catfish worldwide, making it one of the most diverse fish orders. They exhibit a wide range of shapes, sizes, and habitats, and are found on every continent except Antarctica.