Western carp gudgeon

The western carp gudgeon (Hypseleotris klunzingeri) is one of several carp gudgeon species. Carp gudgeons are very small perciform fish (similar in size, shape and colour) found in the Australian Murray-Darling River system, mainly in lowland environments, but some have been observed in upland environments. They are often found in small creeks, as well as billabongs and the edges of larger rivers. They prefer water 1 to 2 m deep with aquatic weed and structure provided...