Most small aquarium fish thrive in schools and need a minimum tank size of 10 to 30 gallons, depending on the species. Many species, like livebearers, can quickly multiply in an aquarium setting, ...

Have a spacious aquarium with plenty of room and a high-capacity filter? Consider adding some large fish to your freshwater aquarium. A large aquarium typically starts at 200 gallons, but some of ...

If you’re thinking of setting up an aquarium in your home, you may be wondering what kind of fish you’d like to have in your tank. Freshwater fish are a popular option since it can be easier for ...

Freshwater fish are a popular choice among novice and veteran aquarists alike. The latter often fall in love with them for their breathtaking patterns and a wide selection of breeds while the former ...

From artfully colored brook trout to flamboyant pumpkinseed, these amazing freshwater fish prove visual beauty isn’t just found around coral reefs. If you asked people why they fish, it's probably for ...

First comprehensive assessment of the world’s freshwater fish species reveals that 25% are at risk of extinction. Climate change threatens a growing number of species, from freshwater fishes to ...

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

Thousands of fish species are facing "catastrophic" decline — threatening the health, food security and livelihoods of hundreds of millions of people around the world. New research shows that ...

Bungin, Indonesia — We know that the whale shark is the biggest fish in the ocean, but what is the world’s largest freshwater fish? The answer to that seemingly simple question has remained a mystery ...