아프리카와 남미 원산의 작고 화려한 담수산 열대어.
A small, often brightly colored tropical freshwater fish native to Africa and South America, widely kept in home aquariums.
예문:
"The neon tetra is famous for its glowing blue and red stripes."
"A school of tetras swam gracefully among the aquatic plants."
"He decided to breed tetras in his new freshwater tank."