Among aquarium enthusiasts who keep bettas, it is usually the male fish that are known as the "colorful ones." Oftentimes the males are favored over the females not only for their color, but also ...

Dominant males of an Indonesian species of fish turn black during periods of heightened aggression, scientists have discovered. Their blackened markings, which quickly emerge at the start of a ...

After scuba diving and shooting video at Tunnels Beach one day I had a tourist come up to me and say she saw a clownfish out on the reef while snorkeling. I responded back and said that we do not have ...

In a now-famous public display of ignorance, former Idaho Congresswoman Helen Chenoweth mused that salmon can't be endangered because she buys them at the supermarket. While few citizens are as out of ...

DEAR NOLA’S MOM: These peppy little fish, also known as Siamese fighting fish are customarily kept as solo pets. The main colors include: blue, red, turquoise, yellow, white and orange — and there are ...

WASHINGTON (Reuters) - While people and other vertebrates are color blind in dim light, some deep-sea fish may possess keen color vision to thrive in the near total darkness of their extreme ...

A common aquarium fish has given researchers the inspiration for a new type of color-shifting device (ACS Nano 2019, DOI: 10.1021/acsnano.9b00822). The technology might one day provide soldiers with ...