The X-ray fish is one unique breed found in the South American region. This breed has other names like water goldfinch, golden Pristella tetra, or the X-ray tetra. If you are wondering what this ...

It has a bony internal structure which helps pick up sound waves. They are a very peaceful species of fish. The X-ray tetra’s young is called Frys. Here is our x-ray tetra coloring page! Isn’t it so ...