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Biology

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Strongly red in nature, but gets pale in captivity. Maximum length reported to reach 4 cm TL (Ref. 1672).
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Importance

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fisheries: of no interest; aquarium: commercial
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Ruby tetra

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The ruby tetra (Axelrodia riesei) is a species of freshwater fish in the family Characidae. It is found in the Río Meta, Colombia, South America. In nature, it has a natural red colour, but this is somewhat lessened in captivity. Ruby tetras grow up to 4 cm (1.6 in) long.

Named in honor of tropical-fish exporter William Riese, who collected the type specimen.[1]

References

  1. ^ Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order CHARACIFORMES: Family CHARACIDAE: Subfamily STEVARDIINAE + Incertae sedis". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 27 March 2021.

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Ruby tetra: Brief Summary

provided by wikipedia EN

The ruby tetra (Axelrodia riesei) is a species of freshwater fish in the family Characidae. It is found in the Río Meta, Colombia, South America. In nature, it has a natural red colour, but this is somewhat lessened in captivity. Ruby tetras grow up to 4 cm (1.6 in) long.

Named in honor of tropical-fish exporter William Riese, who collected the type specimen.

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wikipedia EN