Tachysurus brevicorpus

Tachysurus brevicorpus (common name - Korean stumpy bullhead) is a species of bagrid catfish^[3] endemic to Korea,^[4][5] where it is found in the Nakdong River catchment.^[4] It occurs in freshwater and can grow to a length of 9.2 cm (3.6 in).^[6]

Tachysurus brevicorpus
Conservation status
Vulnerable  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Siluriformes
Family:	Bagridae
Genus:	Tachysurus
Species:	T. brevicorpus
Binomial name
Tachysurus brevicorpus (Mori, 1936)
Synonyms[2]
Coreobagrus brevicorpus Mori, 1936 Pseudobagrus brevicorpus (Mori, 1936)

The species was first described in 1936 by Tamezo Mori,^[6][7] and has a single dorsal spine, six dorsal soft rays, one anal spine, and 12-14 anal soft rays,^[6] no scales on its body and relatively large eyes.^[8] It is found in clear waters areas with large stones and pebbles on the bottom, where it mainly feeds on the larvae of aquatic insects.^[8] It is nocturnal^[4][8] and its spawning season is believed to be from June to July.^[8]

It is listed as "vulnerable" on the IUCN threatened species list.^[1] and as a natural monument of South Korea (designated March 17, 2005)^[5]