Definition of tetra in English:

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tetra

Pronunciation: /ˈtɛtrə/

noun

A small tropical freshwater fish that is typically brightly coloured. Native to Africa and America, many tetras are popular in aquaria.
  • Numerous genera and species in the family Characidae, including the neon tetra
Example sentences
  • We have a freshwater fish tank community of tetras, catfish, gouramis and loaches.
  • Like many tetras, the glowlight tetra is a schooling fish and prefers to swim in the company of at least seven of its peers.
  • The freshwater mollies and tetras are rather ferocious and may take chunks out of your skin like miniature piranhas.

Origin

Mid 20th century: abbreviation of modern Latin Tetragonopterus (former genus name), literally 'tetragonal finned'.

Words that rhyme with tetra

belles-lettres, Petra, raison d'être
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