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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 ]
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.
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 .
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.
The minimum aquarium size is typically 60 x 30 cm (15 Gallons). [citation needed] Ideally, this species can be kept in a tank containing live plants that provide cover and comfort to the tetras, they thrive in a planted environment with well filtered and oxygen rich water with plenty of open swimming space and a greater swimming area.
Hemigrammus erythrozonus, commonly known as the glowlight tetra, is a small tropical fish from the Essequibo River, Guyana, South America. It is silver in colour and a bright iridescent orange to red stripe extends from the snout to the base of its tail, the front of the dorsal fin being the same color as the stripe.