QUESTION: I have a red betta fish named George who has been living in a little 2-gallon tank on my desk at work for the last month. I have some live plants in the tank, and he has built a bubble nest ...

We may receive a commission on purchases made from links. There are over 70 species of betta fish, with the most common pet varieties being the crowntail, delta, double tail, and halfmoon. Betta fish ...

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 ...