Neon tetras are some of the most popular freshwater fish in the world. They’re beautiful additions to any home aquarium and are frequently studied in research settings. If you’re new to freshwater ...

The bloodfin tetra is a popular aquarium fish. Like all pets, it needs specific care to stay healthy and happy. A bloodfin tetra is a type of freshwater fish belonging to the Characiforme family. Its ...

Schools of neon tetra fish (Paracheirodon innesi) use queuing to evacuate through narrow spaces without clogging or colliding, according to a study published in Scientific Reports. Aurélie Dupont and ...

Tetras are colorful, active, and easy to care for if you know what they need. This guide covers everything from tank setup and diet to behavior tips for keeping your tetras happy and healthy. Nine ...

Blind and sighted Mexican tetra fish live side by side in an underground lake, providing a genetic clue to how creatures ...

Since Yorktown Technologies first sold its genetically modified pet — the GloFish — in 2003, the fluorescent fish, an altered variety of zebra fish, has become a popular aquarium item, with millions ...

Energy efficiency The eyeless, cave-dwelling form of the Mexican tetra fish (Astyanax mexicanus) has surrendered its circadian rhythm for the sake of saving energy in its pitch-black habitat. The ...

Cardiovascular problems are one of the main causes of death in Mexico and many other countries around the world. However, there now seems to be a small light at the end of the tunnel for this type of ...

A fish that can repair its heart may hold clues for future treatments in people, according to a study. Scientists studying the Mexican tetra fish found three areas of the fish genome were involved in ...