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Definition of roberts tetra

roberts tetra

Plural:Roberts tetras
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• noun

1

A small freshwater fish (Hyphessobrycon robertsi) of the characin family, native to the Amazon River basin in South America, known in the aquarium trade for the elongated dorsal fins of the males and their deep reddish coloration.

Example

"The aquarist decided to add a small school of Roberts tetras to the heavily planted community tank."

• Nearby Words

roaring falls
roast beef
robe
roberts tetra
robin
robinia
robot

Cite this Entry

Wordmom. (2026). Definition of Roberts tetra. In Wordmom Dictionary. Retrieved Oct 20, 2026, from https://wordmom.com/dictionary/roberts%20tetra
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