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The rummy-nose tetra (Petitella rhodostoma) is a species of tropical freshwater characin fish originating in South America, popular among fishkeepers as a tropical aquarium fish. [2] One of many small tetras belonging to the same genus, it is on average 5 cm (2 in) long when fully grown. [ 3 ]
Petitella georgiae, the false rummy-nose tetra, is a species of characin found in Amazon Basin in Brazil and Peru. It is a very popular aquarium fish. It resembles two species from its genus, Petitella bleheri and Petitella rhodostoma .
They are all popular tropical fish in the aquarium hobby. They are commonly known as Rummy-nose tetras. ... P. bleheri - Brilliant rummy-nose tetra, or Firehead tetra;
This species is common in the aquarium trade.Between the years of 2006 to 2015, 7,178,906 specimens of Petitella bleheri were exported from the Amazonas state of Brazil, accounting for 5.04% of all fish exported from Amazonas for the ornamental fish trade during that time.
The black tetra is also known as the black skirt tetra. The female black tetra is more robust and larger than the male. [29] Black morpho tetra: Poecilocharax weitzmani: 4 cm (1.6 in) Bleeding heart tetra: Hyphessobrycon erythrostigma: 6.5 cm (2.6 in) The bleeding heart tetra is distinguished by the small red spot on both sides of the fish.
Requires brackish aquarium conditions with very low Nitrite and Nitrate levels to be kept successfully. Freshwater compromises immune system, harms puffer, and shortens life extremely. Commonly kept in freshwater. Green spotted puffer Tetraodon nigroviridis: 6" Often sold as freshwater fish, but this species actually thrives in brackish water.
With more individuals in the tank, kuhli loaches tend to be more active and less shy. kuhli loach groups of this size can be kept in 20-gallon aquariums but can be housed in something larger if given enough hiding places. Other species that make good tank mates include tetras, minnows, shrimp, corydora, danio, and other non-aggressive fish.
The emperor tetra is a placid aquarium fish and will be disturbed by more boisterous species. It grows to 4.2 cm. [3] It prefers a pH of 6.5, a hardness of 3–6 dKH and a temperature of 23–27 °C. It does not school as readily as most tetras, and a pair appears happier than with most tetras.