The ornamental fish trade is a booming global industry that generates billions of dollars every year. Over 90% of this trade involves freshwater fish. One of the most popular freshwater groups is ...

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 ...

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 ...

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 ...

Every group of Mexican tetra fish speaks with a different accent. Scientists studied both the blind cave-dwelling populations and those that live in rivers. They all communicate using a series of ...

The new tetra fish species measure about half an inch long, according to researchers. Photo by Lopez, G. G. S., Souza, C. S., Reia, L., Mantuaneli, L. A., Morales, B ...

During a field expedition to the “heart” of the Amazon basin in Brazil, researchers discovered two small fish in the region’s tea-colored waters that were previously unknown to science. The fish, both ...