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 ...

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, ...

Apartments can now host vibrant underwater worlds. Small tanks offer a calming escape for city dwellers. Betta fish, guppies, ...

Two females of the newly discovered species, Halichoeres sanchezi or the tailspot wrasse. The males are larger and have different coloration. Credit: Allison & Carlos ...