A saltwater aquarium can be a dramatic addition to any room. Filled with exotic (and expensive) fish, it’s visually appealing and a great conversation piece. But it isn’t exactly easy to care for.

You may have a fear in common with many first-time saltwater aquarists. You’re worried about going to bed at night with a beautiful aquarium, only to wake up in the morning with all your fish belly-up ...

Editor's note, June 5, 2018: The government rejected the petition in the summer of 2016, in part because the cyanide test it called for had not been independently validated. A study published in May ...

A new study of major U.S.-based online retailers of marine fish bound for aquariums found that nearly 90% of traded species are sourced exclusively from the wild, including a number of threatened ...