noun
- plural of tetra; small, brightly colored tropical freshwater fish commonly kept in aquariums
Examples
- The pet store had a beautiful display of neon tetras swimming together.
- Cardinal tetras are popular among aquarium enthusiasts for their vibrant red and blue colors.
- She added a school of tetras to her community tank.
- The tetras darted quickly between the aquatic plants.
- Most tetras prefer to swim in groups rather than alone.
- Black skirt tetras are hardy fish suitable for beginners.