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 ...

Birds have ’em. Bees have ’em. Even bacteria have circadian rhythms, the ramping up and slowing down of internal functions that signals organisms to be more or less active, depending on the time of ...

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 ...

None of these fish will be causing any fights in your aquarium. From garden ponds filled with Koi Carp to the humble goldfish ...