Tetras are one of the most popular and diverse types of freshwater aquarium fish. With more than 150 unique types of tetra fish of varying colors, shapes, and sizes, they make a great addition to any ...

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 ...

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 ...

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 ...

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 in ...

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 ...

After someone has had a heart attack, their heart's damaged muscle tissue is replaced by non-beating scar tissue. Unfortunately, this leaves the muscle permanently weakened, and thus susceptible to ...