Xingu corydoras Xingu corydoras The Xingu corydoras ("Corydoras xinguensis") is a tropical freshwater fish belonging to the Corydoradinae sub-family of the Callichthyidae family. It originates in inland waters in South America, and is found in the upper Xingu River basin in Brazil. It is named for the river in which it is found. In the system of "C-Numbers" developed by the German fishkeeping magazine DATZ to identify undescribed species of "Corydoras" in the aquarium hobby, this fish had been assigned numbers "C55", "C105", "C106", "C107", and "C108" until these were correctly identified. The fish will grow in length up to 1.5 inches
South Fork American River in 2011. The river begins at Nebelhorn near Johnson Pass about south of Lake Tahoe. From there it flows west for , past the towns of Kyburz, Pollock Pines and Coloma, before emptying into Folsom Lake, the reservoir formed by the Folsom Dam. The North Fork American River also flows into the lake, and the combined rivers form the American River proper, which flows from the dam southwest to a confluence with the Sacramento River. The South Fork drains an area of , or about a third of the American River watershed. Major tributaries include Silver Creek, Rock Creek, Weber