noun
- a small freshwater fish native to Southeast Asia, popular in aquariums, known for its bright colors and aggressive behavior toward other males
Usage: also called Siamese fighting fish; commonly kept as a pet
Examples
- She bought a betta fish for her bedroom aquarium.
- Male bettas cannot be housed together because they will fight.
- The betta's vibrant red fins made it the most striking fish in the pet store.
- My betta flares its gills whenever it sees its reflection.
- Bettas are native to the rice paddies and slow-moving waters of Thailand and Cambodia.