noun🔗ShareТетрыAny of numerous species of small South American freshwater fish of the family Characidae, popular in home aquariums."My daughter's aquarium is full of colorful tetras and a few guppies. "Аквариум моей дочери полон разноцветных тетр и нескольких гуппи.fishanimalbiologyChat with AIVocabulary GamePractice Reading