Biology:Petitella

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Short description: Genus of fishes

Petitella
20080113 Aquatopia - Rivierenhof (050).jpg
Petitella bleheri
Scientific classification e
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

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

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

There are three recognized species in this genus:[3]


References

Wikidata ☰ Q3377442 entry