Their most striking feature is the fluorescent blue stripe running ... for every centimeter of the adult fish. This means a 5-centimeter-long adult cardinal tetra would require a tank holding ...

colorful fish — red-and-blue neon tetras, for example — that look this way in the wild and are not dipped or dyed. You, as the owner, play a big part in how long your fish lives. On average ...

Neon tetras are small, active fish with bright blue, red, and white streaks ... white horizontal stripes that come in both short and long-finned varieties. They are non-aggressive and popular ...

Neon tetra measure approximately 0.5 centimetres wide and 3 centimetres long. The authors observed that fish evacuated at faster rates through larger openings than smaller openings, but that fish ...

The Mexican tetra fish that lives in the rivers of Northern Mexico can heal its heart, while its cave-dwelling relative cannot A fish that can repair its heart may hold clues for future treatments ...