What characteristic of the water chemistry is often found in the natural areas these tetras inhabit?
Answer
Softer and slightly acidic
The water chemistry in their natural areas tends to be softer and slightly acidic, typical of many South American blackwater or clearwater environments.

Related Questions
What is the scientific name for the X-Ray Tetra?To which family does the X-Ray Tetra belong according to its scientific classification?Which continent represents the native geography for the X-Ray Tetra?Besides the Amazon River basin, which two other major drainage areas are principally associated with this species?What specific habitat feature do X-Ray Tetras generally prefer over massive river channels?What physical trait is responsible for the common name 'X-Ray Tetra'?What characteristic of the water chemistry is often found in the natural areas these tetras inhabit?What feature distinguishes the X-Ray Tetra from many other tetras sharing its habitat regarding pigmentation?What small splash of color is typically observed on the otherwise translucent X-Ray Tetra?What common occurrence today is responsible for the global presence of the X-Ray Tetra outside of South America?