Octopus filmed firing stones from her siphon from inside a clam shell like a sniper in never-before-seen behavior captured ...

Guppies are social fish that prefer to form shoals ... Neon gobies often interact curiously with their surroundings, making them a top pick if you love watching fish live out their lives. There’s no ...

The team then conducted digs in Belize's Crooked Tree Wildlife Sanctuary. The ancient fish canals, paired with holding ponds, ...

In Japanese mythology, the deep-sea-dwelling oarfish is a harbinger of impending disaster. For scientists in California, ...

A silvery 10-foot long creature, the oarfish has fueled fishermen’s tales of sea serpents — and in some cultures has been a ...

Zebra mussels are significantly altering the ecosystems of Minnesota lakes, according to a study that ties the invasive ...

Researchers caught and observed 3,600 wild guppies that were exposed to different concentrations of fluoxetine over five ...

Guppies are tiny, easy-care fish that grow up to 1.6 inches (4 centimeters) long. They like to live with other guppies and are social, active fish. Males are known to harass females, so it’s best to ...