A-Z Challenge - Wild Animals - The X-Ray Tetra Fish - News - Bubblews
The X-ray tetra (Pristella maxillaris) is a hardy and common fish in the hobby. It’s small size and peaceful nature make it a great beginner...
X-Ray Tetra Predators and Threats: The small size of the X-Ray Tetra means that they should not be kept in the same aquarium as larger, predatory Fish, but will co-inhabit the tank peacefully with other small, schooling Fish that pose them no threat. In the wild, X-Ray Tetra are preyed upon by a number of aquatic predators including larger Fish and Frogs, and are also threatened by Birds and Snakes if they are closer to the water’s surface. Populations are thought to be the most under threat from the rising levels of pollution in the water and habitat loss in general.
X-Ray Tetra Diet and Prey: Like many other small species of Fish that live in the Amazon River, the X-Ray Tetra is an omnivorous animal whose diet is made up of both animals and plants. X-Ray Tetra primarily hunt Worms, Insects and small Crustaceans that live close to the river bed and their fry tend to feed on Insect larvae. Although they are also known to supplement their diet with aquatic plants, they are predominantly micro-predators that feed on small invertebrates. In artificial communities, X-Ray Tetra need a variety of food sources including Brine Shrimp and Bloodworm alongside the standard flakes and pellets to ensure that they have a fully nutritious diet.
Pristella, X-ray Tetra fish in the aquarium.
Golden pristella tetra Pristella maxillaris X-ray tetra fish on white
This fish is also notable for having the Weberian apparatus, a bony structure that enhances their hearing ability. Growing to just 2 inches long, these are some of the smallest fish to have this structure. The Weberian apparatus helps them receive sound waves through the swim bladder, and direct them to their auditory canal through vertebrae. Like their translucent skin, which serves a protective function, the X-ray tetra's keen hearing allows it to sense and quickly respond to predators.Adult X-ray Tetra fish can live longer in captivity but usually live three to four years in the wild. X-ray Tetras transparent skin and their light yellow markings are forms of protection against predators.The name Tetra is a Greek word meaning four, the adipose fin represents the fourth unpaired fin that an X-ray Tetra has which is how it got its name. The Anatomy The young X-ray Tetra fish that have just began swimming are small and white.They are peaceful fish that do well in community tanks with other peaceful fish that aren't largeenough to eat them. You should keep at least 6 x-ray tetras together because they are shoalingfish.