A tropical fish that lives in mangrove swamps across the Americas can survive out of water for months at a time, similar to how animals adapted to land millions of years ago, a new study shows. The ...

An international team of scientists recently led a detailed study of eastern rainbowfish, Melanotaenia splendida splendida, a freshwater species that is popular in the aquarium trade. Eastern ...

Forbes contributors publish independent expert analyses and insights. Liz writes about the ocean and its protection. Snappers were known to be ‘long-lived’ species before the recent discovery of the ...

Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports. Native to southeast Asia, this species is known for its range of vibrant hues. There ...