See also: neontetra

English edit

 

Noun edit

neon tetra (plural neon tetras)

  1. Paracheirodon innesi (syn. Hyphessobrycon innesi), a small, tropical American fish, popular as an aquarium fish.
    • 2021, Jenni Fagan, Luckenbooth, William Heinemann, page 270:
      A swarm of thin neon tetra with red bellies and bright blue backs flash by.

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