Korean stumpy bullhead

The Korean stumpy bullhead is a class I endangered wildlife species and endemic to Korea, living in the Nakdong River system. It is small, usually 6 to 9 centimeters long, but rarely grows to more than 10 centimeters. It has no scales on its body and four pairs of whiskers around its mouth.

- Scientific name: Pseudobagrus brevicorpus
- Classification System: Actinopterygii > Siluriformes > Bagridae