Please look in Eschmeyer's Catalog of Fishes for authorships of sections, Families of Fishes (all), and related information.

Species in the genus Baryancistrus: [ 10 ] records

beggini, Baryancistrus Lujan [N. K.], Arce H. [M.] & Armbruster [J. W.] 2009:51, Figs. 1-2 [Copeia 2009 (no. 1); ref. 30056] Río Ventuari, 4°04'32"N, 66°53'34"W, Río Orinoco drainage, Amazonas, Venezuela. Holotype: MCNG 55351. Paratypes: ANSP 182806 (3); AUM 39227 (9), 39908 (4), 42108 (1), 42145 (5), 42173 (6), 42210 (134), FMNH 117454 (3); IAvHO 7045 (4); ICN 9913 (2); MCNG 55356 (3), Type catalog: DoNascimiento et al. 2016:412 [ref. 34787]. •Valid as Baryancistrus beggini Lujan, Arce H. & Armbruster 2009 -- (Rapp Py-Daniel et al. 2011:241[ref. 31383], DoNascimiento et al. 2017:79 [ref. 35633], de Oliveira et al. 2019:490 [ref. 36981]). Current status: Valid as Baryancistrus beggini Lujan, Arce H. & Armbruster 2009. Loricariidae: Hypostominae. Distribution: Orinoco River drainage, Colombia and Venezuela. Habitat: freshwater.

chrysolomus, Baryancistrus Rapp Py-Daniel [L. H.], Zuanon [J.] & de Oliveira [R. R.] 2011:247, Figs. 5-6 [Neotropical Ichthyology v. 9 (no. 2); ref. 31383] Rio Xingu at Furo do Ramiro, 3°15'21"S, 52°05'06"W, Altamira, Pará, Brazil. Holotype: INPA 33947. Paratypes: many at INPA, MPEG, MZUSP, ZUEC. •Valid as Baryancistrus chrysolomus Rapp Py-Daniel, Zuanon & de Oliveira 2011 -- (de Oliveira et al. 2019:491 [ref. 36981]). Current status: Valid as Baryancistrus chrysolomus Rapp Py-Daniel, Zuanon & de Oliveira 2011. Loricariidae: Hypostominae. Distribution: Rio Xingu and rio Iriri drainages, Brazil. Habitat: freshwater.

demantoides, Baryancistrus Werneke [D. C.], Sabaj Pérez [M. H.], Lujan [N. K.] & Armbruster [J. W.] 2005:535, Figs. 1a,b, 2 [Neotropical Ichthyology v. 3 (no. 4); ref. 28457] Rio Ventuari near ornamental fish market in river, 04.07565°N, 066.89285°W, Amazonas, Venezuela. Holotype: MCNG 54029. Paratypes: ANSP 180226 (1), 180227 (1), 180228 (1); AUM 37974 (1), 42034 (1), 42169 (2); MCNG 54030 (1), 54031 (1). Type catalog: Ferraris 2007:226 [ref. 29155]. •Valid as Baryancistrus demantoides Werneke, Sabaj Pérez, Lujan & Armbruster 2005 -- (Ferraris 2007:226 [ref. 29155], Lujan et al. 2009:53 [ref. 30056], Rapp Py-Daniel et al. 2011:241[ref. 31383], DoNascimiento et al. 2017:79 [ref. 35633], de Oliveira et al. 2019:491 [ref. 36981]). Current status: Valid as Baryancistrus demantoides Werneke, Sabaj Pérez, Lujan & Armbruster 2005. Loricariidae: Hypostominae. Distribution: Orinoco River and upper tributaries, Venezuela and Colombia. Habitat: freshwater.

hadrostomus, Baryancistrus de Oliveira [R. R.], Rapp Py-Daniel [L. H.] & Oyakawa [O. T.] 2019:486, Figs. 3B, 6, 7 [Copeia v. 107 (no. 3); ref. 36981] First waterfall of the Iratapuru River, Laranjal do Jari, Amapá, Brazil, 0°33'50.4"S, 52°34'42.4"W. Holotype: INPA 6041. Paratypes: INPA, MZUSP, NUP. Type catalog: Oliveira et al. 2022:18 [ref. 39255]. •Valid as Baryancistrus hadrostomus de Oliveira, Rapp Py-Daniel & Oyakawa 2019. Current status: Valid as Baryancistrus hadrostomus de Oliveira, Rapp Py-Daniel & Oyakawa 2019. Loricariidae: Hypostominae. Distribution: South America: Jari River basin (northern Brazil). Habitat: freshwater.

isaaci, Baryancistrus de Oliveira [R. R.] & Rapp Py-Daniel [L. H.] 2025:5, Figs. 3-4 [Neotropical Ichthyology v. 23 (no. 3): e250066; ref. 42536] Rio Trombetas, near Caxipacoré stream, Oriximiná, Pará, Brazil, 00°36'59.5"S, 56°47'15"W. Holotype: INPA ICT 53133. Paratypes: INPA, MPEG, MZUSP. •Valid as Baryancistrus isaaci de Oliveira & Rapp Py-Daniel 2025 -- (Araujo et al. 2026:5 [ref. 43025]). Current status: Valid as Baryancistrus isaaci de Oliveira & Rapp Py-Daniel 2025. Loricariidae: Hypostominae. Distribution: South America: Rio Trombetas River, Pará (Brazil). IUCN (2026): Not Assessed. Habitat: freshwater.

longipinnis, Hemiancistrus Kindle [E. M.] 1895:255 [Annals of the New York Academy of Sciences v. 8 (art. 9) [for 1894]; ref. 12354] Troceira on Rio Tocantins, Brazil. Holotype (unique): MCZ 29051. Type catalog: Ferraris 2007:227 [ref. 29155]. Name appeared earlier as a nomen nudum in Kindle 1893:72 [ref. 27364]. •Valid as Parancistrus longipinnis (Kindle 1895) -- (Isbrücker 1980:58 [ref. 2303], Burgess 1989:435 [ref. 12860]). •Valid as Baryancistrus longipinnis (Kindle 1895) -- (Isbrücker 2001:26, 27 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Ferraris 2007:227 [ref. 29155], Lujan et al. 2009:53 [ref. 30056], Rapp Py-Daniel et al. 2011:241[ref. 31383], Armbruster et al. 2015:99 [ref. 33670], de Oliveira et al. 2019:491 [ref. 36981]). Current status: Valid as Baryancistrus longipinnis (Kindle 1895). Loricariidae: Hypostominae. Distribution: Tocantins River basin, Brazil. Habitat: freshwater.

micropunctatus, Baryancistrus de Oliveira [R. R.], Rapp Py-Daniel [L. H.] & Oyakawa [O. T.] 2019:482, Figs. 1, 2, 3A [Copeia v. 107 (no. 3); ref. 36981] Jari River downstream of Santo Antônio waterfall, Monte Dourado district, Almeirim, Pará, Brazil, 0°39'31.7"S, 52°30'49.0"W. Holotype: INPA 6042. Paratypes: ANSP, INPA, MCP, MPEG, MZUEL, MZUSP, NUP. Type catalog: Oliveira et al. 2022:18 [ref. 39255]. •Valid as Baryancistrus micropunctatus de Oliveira, Rapp Py-Daniel & Oyakawa 2019. Current status: Valid as Baryancistrus micropunctatus de Oliveira, Rapp Py-Daniel & Oyakawa 2019. Loricariidae: Hypostominae. Distribution: South America: Jari River basin (northern Brazil). Habitat: freshwater.

niveatus, Hypostomus Castelnau [F. L.] 1855:43, Pl. 21 (fig. 3) [Animaux nouveaux or rares v. 2; ref. 766] Rio Araguay, Goiás State, Brazil. Syntypes: MNHN A-9453 (1, dry), A-9454 (1, dry). Type catalog: Bertin & Estève 1950:14 [ref. 19575], Ferraris 2007:227 [ref. 29155]. •Valid as Parancistrus niveatus (Castelnau 1855) -- (Isbrücker 1980:58 [ref. 2303], Burgess 1989:435 [ref. 12860]). •Valid as Baryancistrus niveatus (Castelnau 1855) -- (Rapp Py-Daniel 1989:245 [ref. 13470], Isbrücker 2001:26, 28 [ref. 25653], Isbrücker 2002:13 [ref. 27178], Fisch-Muller in Reis et al. 2003:379 [ref. 27061], Ferraris 2007:227 [ref. 29155], Lujan et al. 2009:53 [ref. 30056], Rapp Py-Daniel et al. 2011:241[ref. 31383], de Oliveira et al. 2019:491 [ref. 36981], Koerber et al. 2022:52 [ref. 39235]). Current status: Valid as Baryancistrus niveatus (Castelnau 1855). Loricariidae: Hypostominae. Distribution: South America: Tocantins, Xingu, Tapajós and Trombetas River basins (northeastern Brazil). Habitat: freshwater.

quilombola, Baryancistrus de Oliveira [R. R.] & Rapp Py-Daniel [L. H.] 2025:12, Figs. 7-8 [Neotropical Ichthyology v. 23 (no. 3): e250066; ref. 42536] Vira-Mundo waterfall rocks, rio Trombetas, Oriximiná, Pará, Brazil, 00°58'11.9"S, 57°01'08.2"W. Holotype: INPA ICT 61201. Paratypes: INPA, MPEG, MZUSP. Plus additional non-type material. •Valid as Baryancistrus quilombola de Oliveira & Rapp Py-Daniel 2025 -- (Araujo et al. 2026:5 [ref. 43025]). Current status: Valid as Baryancistrus quilombola de Oliveira & Rapp Py-Daniel 2025. Loricariidae: Hypostominae. Distribution: South America: Trombetas River basin, Pará (Brazil). IUCN (2026): Not Assessed. Habitat: freshwater.

xanthellus, Baryancistrus Rapp Py-Daniel [L. H.], Zuanon [J.] & de Oliveira [R. R.] 2011:242, Figs. 1-2 [Neotropical Ichthyology v. 9 (no. 2); ref. 31383] Rio Xingu, in the vicinity of the cachoeira Buraco do Inferno, 3°27'07"S, 51°41'53"W, Senador José Porfirio, Pará, Brazil. Holotype: INPA 33849. Paratypes: many at ANSP, INPA, MCP, MNRJ, MPEG, MZUSP, ROM, ZUEC. •Valid as Baryancistrus xanthellus Rapp Py-Daniel, Zuanon & de Oliveira 2011 -- (de Oliveira et al. 2019:491 [ref. 36981], Magalhaes et al. 2021:5 [ref. 38601] ). Current status: Valid as Baryancistrus xanthellus Rapp Py-Daniel, Zuanon & de Oliveira 2011. Loricariidae: Hypostominae. Distribution: South America: Rio Xingu system (Amazonas, Brazil). Habitat: freshwater.