Some aquarium buddies are much more interactive than you'd expect—they follow their owners around, beg for food, and even ...

Livebearer fish are some of the most fascinating marine creatures. Instead of laying eggs, they produce fully formed live ...

Near a village in northeastern India, a “dwarf”-like creature with a “large” mouth swam through the river — or tried to, at least. But something pulled it out of the water, moved it around and dropped ...

Aquarium enthusiasts are often on the lookout for colorful and exciting species that they can raise in their personal tanks. Rainbowfish are a broad category of fish that meet these requirements.

Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical fish that ...

The aquatic world is full of a variety of species called sharks. Most people are familiar with the large, oceanic predators that you can find in waters throughout the world. But fewer people are ...

An aquarium hobbyist found a “large”-mouthed river creature and kept it as a pet. Scientists later identified it as a new species, a study said. Photo from Y K yokeboy via Unsplash Near a ...

Near a village in northeastern India, a “dwarf”-like creature with a “large” mouth swam through the river — or tried to, at least. But something pulled it out of the water, moved it ...