Pyrrhulina australis
species of fish

Pyrrhulina australis is a species of freshwater ray-finned fish belonging to the family Lebiasinidae, which includes the pencilfishes, splash tetras and related fishes. The fishes in this genus are found in South America, where they occur in the La Plata and Paraguay River basins north into the Guaporé River basin.
Size
This species reaches a length of 5.0 cm (2.0 in).
Etymology
The fish's name is Latin for "southern", referring to its occurrence, since it is described from Paraguay, south of the "evidently closely related" P. semifasciata that inhabits the Amazon River basin.
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This entry incorporates text from “Pyrrhulina australis” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.