Peaceful tanks look great, but they’re not always the most exciting. Some fish bring a lot more drama, and for hobbyists who ...

It’s important to know which tropical fish can happily share a tank - and which should be kept separately. Whether its lovingly-kept garden ponds filled with Koi Carp to the humble goldfish bowl ...

Long ago, some saltwater fish adapted to freshwater — and in doing so, developed an extraordinary sense of hearing rivaling our own. By examining a 67-million-year-old fossil, researchers from UC ...

Aquarium enthusiasts around the world have fallen in love with the kuhli loach, an eel-like fish native to Indonesia. If you are considering joining the ranks of kuhli-loach owners, you’ll need to ...

An artist’s reconstruction of the Weberian apparatus in a 67 million-year-old fossil fish. The Weberian structure (gold-colored bones at center) arose from a rib (shown in gray attached to several ...

An analysis of marine fossils from the Upper Miocene Chagres Formation in Panama, most belonging to the Myctophidae family, ...

The United States is the main market for “ornamental” marine fish, those that end up as pets in aquariums. Now, a new study ...

Even if you’ve never owned a saltwater aquarium, it’s likely you’ve come across one before—perhaps at a restaurant or in your friend’s living room—with corals aglow and flamboyant fish flitting around ...

Some aquarium fish carry price tags that could challenge high-end gadgets, luxury cars, and even some small homes. Yes, you read that right!