Classification Order: Characiformes Family: Characidae Distribution Pristella maxillaris, commonly known as the X-ray tetra, is a species of freshwater fish that is native to the coastal waters of Venezuela, Guyana, Suriname, French Guiana, and northern Brazil. Its striking appearance and peaceful nature have made it a popular choice among hobbyists in the aquarium trade. Unfortunately, overfishing and habitat […]
This is an undemanding species that tolerates a range of aquarium conditions. However, for its colors to be seen to best effect, the overall water quality must be good. The somewhat intriguing common name of Water Goldfinch probably derives from the gold, white, black, and red coloration, which is shared with its feathered namesake.