Etymology
Anspielung auf einen zerbrochenen Trommelfellknochen
Synonyms
Macrotocinclus
Ohrgitter-Harnischwelse
Oto
Ohrgitter-Harnischwelse
Oto
Length (total)
3 - 8 cm
Coloring
antrazit, beige, braun
Sex difference
W: größer, fülliger, weniger Odontoden am Schwanzstiel M: kleiner, zierlicher
Others
Die Tiere sind ausgesprochen Aufwuchsfresser und sollen daher nur in Becken eingesetzt werden, die mindestens 6 Monate laufen.
Seitenstreifen grau bis schwarz.
Seitenstreifen grau bis schwarz.
Strinking
of them
of them
Distribution
Similar Genus
Additional literatur
- H.-G. Evers / I. Seidel "Welsatlas 1" S.310 - 311
- Seidel, Ingo: "Ohrgitterwelse – Eine variable und systematisch schwierige Gruppe"
(Aquaristik Fachmagazin April / Mai 2022) - Seidel, Ingo: "Die Ohrgitterwelse der Gattung Otocinclus"
(Aquaristik Fachmagazin April / Mai 2022)
Internet sources
- Artenbeschreibung Otocinclus - Ohrgitterharnischwelse, 2010 "Artenbeschreibung Otocinclus - Ohrgitterharnischwelse" (Frischfisch)
- Schmitt, R. "Artenbeschreibung Otocinclus – Ohrgitterharnischwelse"
- Wiechert, R. "Otocinclus (Ohrgitter-Harnischwelse)"
- Hardman "Dr Michael Hardman "Keeping Otocinclus catfish in the aquarium""
- Wiechert, R. "Ursachen der Problematik beim Einsetzen von Otocinclen (Ohrgitter-Harnischwelsen)"
- Wiechert, R. "Artbestimmung"
- Artbestimmung
Species
Species
Country
Origin
Country
Origin

Length
(cm)
(cm)
AQ
(cm)
(cm)
T.
(°C)
(°C)
Bree
ding
ding
Otocinclus affinis
Steindachner, 1877
Brazil
Lagoa do rio Paraiba, rio Ibicui, Santa Crux bei Rio de Janeiro, rio Uruguai, rio Ribeira do Iguape, Ribeirão Poco Grande
(Minas Gerais, Rio Grande do Sul, Rio de Janeiro, Espirito Santo)
Steindachner, 1877
Brazil
Lagoa do rio Paraiba, rio Ibicui, Santa Crux bei Rio de Janeiro, rio Uruguai, rio Ribeira do Iguape, Ribeirão Poco Grande
(Minas Gerais, Rio Grande do Sul, Rio de Janeiro, Espirito Santo)
6
60
18 - 22
unknown
Otocinclus arnoldi
Regan, 1909
Argentina, Uruguay
unterer río Uruguay, río Santa Lucia, unterer río Paraná, La Plata-Einzug
(Entre Rios, Buenoas Aires, Colonia, Soriano)
Regan, 1909
Argentina, Uruguay
unterer río Uruguay, río Santa Lucia, unterer río Paraná, La Plata-Einzug
(Entre Rios, Buenoas Aires, Colonia, Soriano)
6
60
18 - 24
Amazonas Jan-Feb/2015
5
60
25 - 29
unknown
Otocinclus bororo
Schaefer, 1997
Brazil
rio Formoso, río Paraguai-Einzug
(Mato Grosso, Mato Grosso do Sul)
Schaefer, 1997
Brazil
rio Formoso, río Paraguai-Einzug
(Mato Grosso, Mato Grosso do Sul)
4
60
26 - 30
unknown
Otocinclus caxarari
Schaefer, 1997
Bolivia, Brazil
río Itenez = río Guaporé- und río Mamoré-Einzug
(Mato Grosso)
Schaefer, 1997
Bolivia, Brazil
río Itenez = río Guaporé- und río Mamoré-Einzug
(Mato Grosso)
4
60
26 - 30
unknown
Otocinclus flexilis
Cope, 1894
Brazil, Uruguay
Laguna dos Patos-Einzug, rio Jacuí, rio Dos Sinos
(Rio Grande do Sul)
Cope, 1894
Brazil, Uruguay
Laguna dos Patos-Einzug, rio Jacuí, rio Dos Sinos
(Rio Grande do Sul)
8
60
20 - 25
unknown
Otocinclus hasemani
Steindachner, 1915
Brazil
Rio Tocantins-, rio Parnaiba-Einzug
(Maranhão, Piauí, Tocantins)
Steindachner, 1915
Brazil
Rio Tocantins-, rio Parnaiba-Einzug
(Maranhão, Piauí, Tocantins)
4
60
25 - 28
unknown
Otocinclus hoppei
Ribeiro, 1939
Brazil, Peru
Amazonas bei Belém, rio Madeira-Einzug, río Ucayali-Einzug
(Rondônia, Pará (BRA), Loreto)
Ribeiro, 1939
Brazil, Peru
Amazonas bei Belém, rio Madeira-Einzug, río Ucayali-Einzug
(Rondônia, Pará (BRA), Loreto)
5
60
25 - 28
unknown
Otocinclus huaorani
Schaefer, 1997
Ecuador, Colombia, Peru
río San Miguel, río Conejo, río Tiputini, río Jivino, río Payamino, río Neshuya, río Napo-, río Meta-, río Ucayali-Einzug
(Putumayo, Napo, Orellana, Meta)

Schaefer, 1997
Ecuador, Colombia, Peru
río San Miguel, río Conejo, río Tiputini, río Jivino, río Payamino, río Neshuya, río Napo-, río Meta-, río Ucayali-Einzug
(Putumayo, Napo, Orellana, Meta)

4
60
26 - 30
unknown
4
60
26 - 30
unknown
Otocinclus macrospilus
Eigenmann & Allen, 1942
Brazil, Ecuador, Colombia, Peru
río Morona, rio Japurá, rio Juruá; río Napo-Einzug /, río Caqueta-Einzug; río Nanay, río Marañon, rio Orteguaza, río Yasuni, río Cuyabeno, río Tarapuy, río Sansahuari, río San Miguel
(Amazonas (BRA), Amazonas (COL) Rondônia, Loreto)
Eigenmann & Allen, 1942
Brazil, Ecuador, Colombia, Peru
río Morona, rio Japurá, rio Juruá; río Napo-Einzug /, río Caqueta-Einzug; río Nanay, río Marañon, rio Orteguaza, río Yasuni, río Cuyabeno, río Tarapuy, río Sansahuari, río San Miguel
(Amazonas (BRA), Amazonas (COL) Rondônia, Loreto)
5
60
24 - 28
Catfish Atlas 1
Otocinclus mangaba
Lehmann, Mayer & Reis, 2010
Brazil
Igarapé do Vinte e Dois, igarapé do Doze
(Amazonas)
Lehmann, Mayer & Reis, 2010
Brazil
Igarapé do Vinte e Dois, igarapé do Doze
(Amazonas)
Lehmann, P.A.; Mayer, F. & Reis, R.E., 2010 "A New Species of Otocinclus (Siluriformes: Loricariidae) from the Rio Madeira Drainage, Brazil" (abstract)
Lehmann, P.A.; Mayer, F. & Reis, R.E., 2010 "Re-validation of Otocinclus arnoldi Regan and reappraisal of Otocinclus phylogeny (Siluriformes: Loricariidae)"
Ribeiro, A.C. & Lehmann, P.A., 2016 "A new Otocinclus (Siluriformes: Loricariidae: Hypoptopomatinae) from the Rio Juruena Basin, central Brazil"
Lehmann, P.A.; Mayer, F. & Reis, R.E., 2010 "Re-validation of Otocinclus arnoldi Regan and reappraisal of Otocinclus phylogeny (Siluriformes: Loricariidae)"
Ribeiro, A.C. & Lehmann, P.A., 2016 "A new Otocinclus (Siluriformes: Loricariidae: Hypoptopomatinae) from the Rio Juruena Basin, central Brazil"
5
60
25 - 29
unknown
Otocinclus mariae
Fowler, 1940
Brazil, Bolivia
río Chimore, río Mamoré-Einzug, rio Pindaiatuba
(Cochabamba, Mato Grosso, Pará (BRA))
Fowler, 1940
Brazil, Bolivia
río Chimore, río Mamoré-Einzug, rio Pindaiatuba
(Cochabamba, Mato Grosso, Pará (BRA))
Fowler, Henry, 1940 "Zoological Results of the Second Bolivian Expedition for the Academy of Natural Sciences of Philadelphia, 1936-1937. Part I: The Fishes"
Isbrücker, I.J.H., 1980 "Classification and catalogue of the mailed Loricariidae (Pisces, Siluriformes)"
Schaefer, S.A., 1997 "The Neotropical cascudinhos: Systematics and biogeography of the Otocinclus catfishes (Siluriformes: Loricariidae)"
Isbrücker, I.J.H., 1980 "Classification and catalogue of the mailed Loricariidae (Pisces, Siluriformes)"
Schaefer, S.A., 1997 "The Neotropical cascudinhos: Systematics and biogeography of the Otocinclus catfishes (Siluriformes: Loricariidae)"
4
60
21 - 26
unknown
Otocinclus mimulus
Axenrodth & Kullander, 2003
Paraguay
río Güyrauguá, río Monday, arroyo Acapyta, arroyo Zanja Pé
(Caaguazú, Alto Paraná)
Axenrodth & Kullander, 2003
Paraguay
río Güyrauguá, río Monday, arroyo Acapyta, arroyo Zanja Pé
(Caaguazú, Alto Paraná)
6
60
18 - 24
BSSW 2011
Schaefer, S.A., 1997 "The Neotropical cascudinhos: Systematics and biogeography of the Otocinclus catfishes (Siluriformes: Loricariidae)"
Britto, M.R. de; Moreira, C.R. & Schaefer, S.A., 2002 "Otocinclus tapirape: A New Hypoptopomatine Catfish from Central Brazil (Siluriformes: Loricariidae)"
Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)"
Britto, M.R. de; Moreira, C.R. & Schaefer, S.A., 2002 "Otocinclus tapirape: A New Hypoptopomatine Catfish from Central Brazil (Siluriformes: Loricariidae)"
Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)"
5
60
26 - 30
unknown
Britto, M.R. de; Moreira, C.R. & Schaefer, S.A., 2002 "Otocinclus tapirape: A New Hypoptopomatine Catfish from Central Brazil (Siluriformes: Loricariidae)"
Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)"
Ribeiro, A.C. & Lehmann, P.A., 2016 "A new Otocinclus (Siluriformes: Loricariidae: Hypoptopomatinae) from the Rio Juruena Basin, central Brazil"
Ferraris, C.J. jr., 2007 "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types (I)"
Ribeiro, A.C. & Lehmann, P.A., 2016 "A new Otocinclus (Siluriformes: Loricariidae: Hypoptopomatinae) from the Rio Juruena Basin, central Brazil"
3
60
25 - 29
unknown
Otocinclus vestitus
Cope, 1871
Argentina, Brazil, Bolivia, Paraguay, Peru
río San Miguel, río Zapacos, río Ucayali-, rio Madeira-; río Beni-; río Paraná-Einzug, río Ampiyacu, río Matos, río Ichilo
(Loreto, Amazonas (BRA), Beni)
Cope, 1871
Argentina, Brazil, Bolivia, Paraguay, Peru
río San Miguel, río Zapacos, río Ucayali-, rio Madeira-; río Beni-; río Paraná-Einzug, río Ampiyacu, río Matos, río Ichilo
(Loreto, Amazonas (BRA), Beni)
4
60
25 - 30
unknown
Otocinclus vittatus (LDA 23)
Regan, 1904
Bolivia, Brazil, Colombia, Venezuela, Peru
arroyo Aguas Negras, río Curiraba, río Mamoré-Einzug; río Paraquay-Einzug; Llanos, río Orituco, caño Caicara; rio Paraná, río Matos, río Beni, río Jaurú
(Beni, Amazonas (BRA), Para (BRA), Amazonas (VEN))
Regan, 1904
Bolivia, Brazil, Colombia, Venezuela, Peru
arroyo Aguas Negras, río Curiraba, río Mamoré-Einzug; río Paraquay-Einzug; Llanos, río Orituco, caño Caicara; rio Paraná, río Matos, río Beni, río Jaurú
(Beni, Amazonas (BRA), Para (BRA), Amazonas (VEN))
6
60
25 - 28
Catfish Atlas 1
Otocinclus xakriaba
Schaefer, 1997
Brazil
Rio Pau de Colher, rio Carinhanha, arroio Santo Antonio, rio das Velhas, rio Da Cruz, rio Peru-açu = rio Peruaçu, rio Itacarambi, rio Japoré, rio Calindo, rio Coxa, rio Verde Grande, corrego dos Procos, rio São Francisco-Einzug
(Bahia, Minas Gerais)
Schaefer, 1997
Brazil
Rio Pau de Colher, rio Carinhanha, arroio Santo Antonio, rio das Velhas, rio Da Cruz, rio Peru-açu = rio Peruaçu, rio Itacarambi, rio Japoré, rio Calindo, rio Coxa, rio Verde Grande, corrego dos Procos, rio São Francisco-Einzug
(Bahia, Minas Gerais)
Schaefer, S.A., 1997 "The Neotropical cascudinhos: Systematics and biogeography of the Otocinclus catfishes (Siluriformes: Loricariidae)"
Britto, M.R. de; Moreira, C.R. & Schaefer, S.A., 2002 "Otocinclus tapirape: A New Hypoptopomatine Catfish from Central Brazil (Siluriformes: Loricariidae)"
Axenrot, T.E. & Kullander, S.O., 2003 "Corydoras diphyes (Siluriformes: Callichthyidae) and Otocinclus mimulus (Siluriformes: Loricariidae), two new species of catfishes from Paraguay, a case of minetic association"
Britto, M.R. de; Moreira, C.R. & Schaefer, S.A., 2002 "Otocinclus tapirape: A New Hypoptopomatine Catfish from Central Brazil (Siluriformes: Loricariidae)"
Axenrot, T.E. & Kullander, S.O., 2003 "Corydoras diphyes (Siluriformes: Callichthyidae) and Otocinclus mimulus (Siluriformes: Loricariidae), two new species of catfishes from Paraguay, a case of minetic association"
4
60
22 - 26
unknown
21 entries found.
Many thanks to
for the pictures
H. P. Risch
3
Leandro Sousa (CC BY-NC 3.0)
6
Ingo Seidel
9
Dejon Tobias
11
Elke & Bernd
14
Please help with your pictures and information to complete the database: database(at)welsfans.de
43