Petitella
Appearance
Petitella | |
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Petitella bleheri | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Characiformes |
Family: | Characidae |
Subfamily: | Pristellinae |
Genus: | Petitella Géry & Boutière, 1964 |
Type species | |
Petitella georgiae Géry & Boutière, 1964
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Petitella is a genus of freshwater fish in the family Characidae of the order Characiformes.
They are all popular tropical fish in the aquarium hobby. They are commonly known as Rummy-nose tetras.
Taxonomy and systematics
[edit]This genus was formerly monotypic, featuring only P. georgiae. The other two species were allocated to Hemigrammus. Before the reallocation in 2020,[1][2] they were distinguished by the following common names:
- P. bleheri - Brilliant rummy-nose tetra, or Firehead tetra
- P. georgiae - False rummy-nose tetra
- P. rhodostoma - Rummy-nose tetra
Species
[edit]There are three recognized species in this genus:[3]
- Petitella bleheri (Géry & Mahnert, 1986)
- Petitella georgiae Géry & Boutière, 1964
- Petitella rhodostoma (Ahl, 1924)
References
[edit]- ^ Jeremy Gay (14 July 2020). "Rummynose tetras combine into a single genus". Fishkeeping News. Retrieved 28 December 2023.
- ^ "Phylogenetic relationships of the neon tetras Paracheirodon spp. (Characiformes: Characidae: Stethaprioninae), including comments on Petitella georgiae and Hemigrammus bleheri". Neotropical Ichthyology. doi:10.1590/1982-0224-2019-0109.
- ^ Bailly, Nicolas (2014). "Petitella Géry & Boutière, 1964". WoRMS. World Register of Marine Species. Retrieved 28 December 2023.
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