Many fish species are recommended for new aquarists setting up an aquarium. The fish listed here generally get along well with others and can tolerate a range of water quality parameters. Before ...

Discover Florida’s only living barrier reef at Dry Tortugas National Park, where crystal-clear waters let you snorkel among tropical fish, sea turtles, and coral reefs.

The swordtail is a beginner-friendly tropical fish species. This hardy fish comes in various vibrant colors and can be kept in a freshwater tank as small as 10 gallons. These traits make swordtails ...

Every aquarium owner hopes for one thing. A perfectly clean tank that somehow takes care of itself. It sounds ideal, but ...

Some species are showing up hundreds of kilometers beyond their usual home range. Many tropical fish arrive on temperate reefs during summer, and used to die over winter when the water grew colder.

Researchers have described a new fish species that's been popular in the aquarium trade since the early 2000s. Wild populations are rare and restricted to a small river basin along the ...