Diplomystes chilensis
Diplomystes chilensis, the tollo or tollo de agua dulce, is a species of freshwater ray-finned fish belonging to the family Diplomystidae, the velvet catfishes. This fish is endemic to Chile where it is found in the area of Valparaiso and Santiago. It grows to a maximum total length of. This species was previously considered to be extinct but in 2000 it was reported that two specimens had been collected from the Rio Cachapoal in the Rapel basin.