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 ...

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Scientists are seeing tropical fish in Nova Scotia with more frequency, with their arrival prompting concerns about what their presence could mean for local species down the road.

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.

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

The baby fish, which is roughly the size of a pea, was raised from a surprise egg mass discovered last fall ...

Tropical fish are accidentally carried north to New England each summer by the Gulf Stream current. A network of institutions and citizen scientists called the Gulf Stream Orphan Project tracks these ...

Contrary to popular belief, many aquarium fish can live for decades with proper care, becoming long-term companions. Species like goldfish, clown loaches, oscars, angelfish, and plecos are known for ...

Under increasing global warming, tropical fish are escaping warmer seas by extending their habitat ranges towards more temperate waters. "Every summer hundreds of tropical fish species extend their ...