Keeping a pet fish can be a rewarding experience, but some species require more long-term commitment than others. While many tropical fish live only a few years, several types of pet fish are known ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. PORTLAND, Ore. (KOIN) — A rare deep-sea fish that lives in complete darkness washed ashore in Oregon for what’s believed to be the ...