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 ...

Risky business: But some fish can adapt We studied five tropical fish species and two temperate species across a 2,000km stretch of Australia's east coast, from the tropics to the cold temperate south ...

Ciguatera—a toxin that accumulates in reef fish—is a common cause of seafood poisoning. Learn which fish are safest to order ...

A study of shallow-water fish communities on rocky reefs in south-eastern Australia has found climate change is helping tropical fish species invade temperate Australian waters. A University of ...

Scientists have developed a model that predicts six tropical fish species will expand into northern parts of Japan as sea temperatures rise. Scientists have developed a model that predicts six ...

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 ...

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, ...

Adult male Rose-Veiled Fairy Wrasse (Cirrhilabrus finifenmaa) shows off his colors for the ladies. This species is found at the equator in the Indian Ocean, living in the coral reefs of the Maldives ...