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However, bettas, also known as the Siamese fighting fish, did not become living works of art on their own.

Other species making use of color for courtship include the fan-throated lizard, with a wattle of iridescent blue and orange, and the Siamese fighting fish, its tail bristling with blood-orange finnage.

Chareeya and Pran flirt, a ritual that can seem “like two Siamese fighting fish grappling each other in a bottle of glue.”

It is also called Siamese fighting fish in scientific studies and historical accounts, which note as well that it can be found in Bangkok’s Chao Phraya River.

Photos of it went viral after Kachen Worachai, 40, who breeds Siamese fighting fish, or Betta, as a hobby, posted them on a private auction group on Facebook.