◆ Nannostomus beckfordi Günther 1872
syn.Nannostomus anomalus Steindachner 1876 Nannostomus aripirangensis Meinken 1931 Nannostomus beckfordi surinami Hoedeman 1954 Nannostomus simplex Eigenmann 1910 *1876『Ichthyologische Beiträge 5:Franz Steindachner』。 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
"ゴールデンペンシル"。pH6.0〜8.0・24〜26℃。
◆ Nannostomus eques Steindachner 1876
syn.Nannobrycon eques (Steindachner 1876) Poecilobrycon auratus Eigenmann 1910 Poecilobrycon eques (Steindachner 1876) *1876『Ichthyologische Beiträge 5:Franz Steindachner』。 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。
"ブラウンペンシル"・"ペンシルフィッシュ"。pH5.0〜6.0・23〜28℃。
◆ Nannostomus erythrurus (Eigenmann 1910)
syn.Poecilobrycon erythrurus Eigenmann 1910 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
◆ Nannostomus harrisoni (Eigenmann 1910)
syn.Archicheir minuta Eigenmann 1910 Poecilobrycon harrisoni Eigenmann 1910 non Boulenger 1895 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
"ハリソンペンシル"・"ブラックストライプペンシル"。pH5.5〜7.0・24〜28℃。
Archicheir minuta=Poecilobrycon harrisoni
◆ Nannostomus limatus
"エレガントペンシル"。
◆ Nannostomus marginatus marginatus Eigenmann 1910 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
"ドワーフペンシル"。pH5.8〜7.5・24〜26℃。
◆ Nannostomus minimus Eigenmann 1910 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
"リーストペンシル"。
◆ Nannostomus trifasciatus Steindachner 1876
syn.Poecilobrycon trifasciatus (Steindachner 1876) Eigenmann 1912 Poecilobrycon vittatus Ahl 1934 *1876『Ichthyologische Beiträge 5:Franz Steindachner』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
"スリーストライプペンシル"。pH5.5〜7.0・24〜28℃。
◆ Nannostomus unifasciatus Steindachner 1876
syn.Poecilobrycon ocellatus Eigenmann 1910 *1876『Ichthyologische Beiträge 5:Franz Steindachner』。 *1909-1910『Reports on the Expedition to British Guiana of the Indiana University and the Carnegie Museum 1908, 1.Some New Genera and Species of Fishes from British Guiana:Carl Henry Eigenmann』。 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
pH5.5〜7.0・25〜28℃。
◆ Pyrrhulina capim Vieira & Netto-Ferreira 2019 *2019『New Species of Pyrrhulina [Teleostei, Characiformes, Lebiasinidae] from the astern Amazon, Pará, Brazil:Lorena Sanches Vieira & André Luis Netto-Ferreira』。
◆ Pyrrhulina eleanorae
laeta-group。24〜38℃。
◆ Pyrrhulina elongata
◆ Pyrrhulina filamentosa Valenciennes 1847 *1912『The Fresh-Water Fishes of British Guiana, Including a Study of the Ecological Grouping of Species and the Relation of the Fauna of the Plateau to That of of the Low-Land 8, Systematic Account of the Fresh-Water Fishes of British Guiana:Carl Henry Eigenmann』。
filamentosa-group。本種は卵を守る。pH5.8〜7.5・23〜28℃。
◆ Pyrrhulina laeta (Cope 1872)
syn.Holotaxis laeta Cope 1872 *1871-1872『On the Fishes of the Ambyiacu River 1872:Edward Drinker Cope』。
laeta-group。pH5.8〜7.0・23〜27℃。
◆ Pyrrhulina melanostoma (Cope 1871)
syn.Holotaxis melanostoma Cope 1871 *1871『Contribution to the Ichthyology of the Marañon 1870:Edward Drinker Cope』。