Illustration of Siamese fighting fish
- Siamese fighting fish
Siamese fighting fish
noun
: a brightly colored betta (Betta splendens) that has highly aggressive males and is a popular aquarium fish
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“Siamese fighting fish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Siamese%20fighting%20fish. Accessed 8 Feb. 2025.
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