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.
Betta fish, also known as Siamese fighting ... is a small but strikingly beautiful marine fish known for its vibrant purple ...
But millions of LEMIS entries for ornamental fish lack species names, and fish are sometimes identified merely as “tropical fish,” “marine” or “freshwater ... would help inform conservation measures ...