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

The giant freshwater stingray may be the ... The rays have also been targeted for the burgeoning aquarium trade, though it is now illegal to fish for stingrays in Thailand.

Living for up to two to three years, freshwater snails are compatible with most colorful tropical fish and invertebrates ... will live in harmony with common Goldfish, Neon Tetras, Swordtails ...

Virtually everyone in North America lives within relatively close proximity to a body of fresh water that holds a variety of fish species. So it's no surprise fishing in these freshwater creeks ...

This story appears in the April 2017 issue of National Geographic magazine. Hundreds of millions of people worldwide would lack their prime source of protein without freshwater fish. Yet the lakes ...