noun tet·ra \ˈte-trə\

Definition of TETRA

:  any of numerous small often brightly colored South American characin fishes often bred in tropical aquariums

Origin of TETRA

by shortening from New Latin Tetragonopterus, former genus name, from Late Latin tetragonum quadrangle + Greek pteron wing — more at tetragonal, feather
First Known Use: 1931

Other Fishes Terms

char, chum, ichthyology, smelt, turbot


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