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 ...

The larviculture of freshwater fish encompasses the controlled rearing ... In parallel, studies addressing larval feeding regimes in the x-ray tetra (Pristella maxillaris) have shown that ...

Top 10 Animals Name Starting With 'X' ... X-ray Tetra – A small, translucent freshwater fish. Xenops – A small bird found in Central and South America.