Genus · Tetras
Petitella
Petitella is a genus with 3 species in this atlas, catalogued in the Tetras section, recorded from Brazil, Colombia, Ecuador and 2 more countries. Adult sizes run from 1.5 in to 2 in. Every species below links to a full researched profile.
- Species in atlas
- 3
- Adult sizes
- 1.5–2 in
- IUCN assessed
- 3 of 3
- Recorded from
- 5 countries
- Type species
- Petitella georgiae Géry & Boutière 1964
IUCN Red List: Least Concern · 1 Not Evaluated · 2
The 3 species
Every Petitella recorded in this atlas. Each card links to a full researched profile — distribution, water parameters, and aquarium care, cited to primary sources.
(Géry & Mahnert, 1986)
Firehead tetra, Rummy-nose tetra, Brilliant rummy-nose tetra
1.5 in SL · LC
Géry & Boutière, 1964
False rummy-nose tetra, False rummynose tetra, Georgia tetra
2 in SL · NE
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How to cite
Aquarist Atlas (2026). Genus Petitella. Aquarist Atlas. https://www.aquaristatlas.com/petitella/