Uploaded July 2026 | Updated September 2026, 2 weeks ago

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Blue Cochu Tetras might not get the attention of Neon or Cardinal Tetras, but they absolutely deserve it.

When the light catches them just right, they flash an incredible electric blue that has to be seen in person. Peaceful, active, and a great choice for planted community aquariums, they're easily one of the most underrated schooling fish in the hobby.

Have you ever kept Blue Cochu Tetras?

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