Betta fish are one of the most popular aquarium fish in the world. Here is what to know about bettas, including how long they ...

How serious is the mercury content in your fish? It all depends on what kind of fish you're buying, as well as where the fish ...

“Never underestimate the power of freshwater mussels,” the FWS posted on social media.

this all-in-one kit includes “all of the parameters you should be testing when it comes to your fish tank.” This kit monitors the key parameters of water safety for freshwater aquariums ...

Arapaima are the largest freshwater fish in South America—and a keystone species in the Amazon River ecosystem.

You may be surprised that the largest, freshwater fish in North America may be swimming in the Mississippi River under the I-20/Hwy. 80 bridges at Vicksburg as you are reading this. The Alligator Gar ...

is pioneering a new system to breed freshwater fish such as guppies and goldfish – some of the most popular aquarium fish ...

The special diving experience lets divers get up close with different kinds of sharks and a variety of tropical fish ...

A new paper published today, led by Chicago's Shedd Aquarium, reveals how volunteers across Illinois, Wisconsin and Michigan ...

COURTESY STATE DEPARTMENT OF LAND AND NATURAL RESOURCES State dive teams at Anini Bay on Kauai remove non-native corals believed to have been dumped from a saltwater aquarium. State officials Monday ...

The neighborhood’s beloved sidewalk fish pond was resurrected this week — in an act of defiance that comes just five days ...

State officials Monday launched a new campaign to prevent the illegal dumping and spread of non-native marine aquarium species in Hawaii waters.