One of the fish’s advantages is clear—literally. Because embryos are transparent and develop outside the mother’s body, scientists can manipulate genes to model human diseases and directly ...

Larval zebrafish are an invaluable tool for neuroscientists, who use the tiny, transparent fish to probe how the brain controls behavior, but it's been difficult for scientists to study learning ...

Now, more than 100 labs around the world are using these transparent fish to study cancer pathology and development in real time. “The field of in vivo imaging—looking at things that are ...

sent an aquarium of Medaka fish, called the Aquatic Habitat (AQH), to the International Space Station, where scientists will collect data on how the low gravity, high radiation environment of space ...