Species
Country
Origin
Country
Origin

Length
(cm)
(cm)
AQ
(cm)
(cm)
T.
(°C)
(°C)
Bree
ding
ding
Peckoltia sabaji (L 301)
Ancistomus sabaji (L 301)
Armbruster, 2003
Brazil, Guyana, Colombia, Venezuela
Essequibo River, mittlerer und oberer Orinoco Einzug, Rio Branco-Einzug, Rio Ventuari, Takutu-River, Río Casiquare
(Amazonas (VEN), Bolívar (VEN), Roraima, Amazonas (BRA), Vichada)
Ancistomus sabaji (L 301)
Armbruster, 2003
Brazil, Guyana, Colombia, Venezuela
Essequibo River, mittlerer und oberer Orinoco Einzug, Rio Branco-Einzug, Rio Ventuari, Takutu-River, Río Casiquare
(Amazonas (VEN), Bolívar (VEN), Roraima, Amazonas (BRA), Vichada)
25
150
26 - 30
Handbuch L-Welse
Lasiancistrus schomburgkii (L 302)
Günther, 1864
Brazil, Ecudador, Guyana, Suriname
Sand Creek, oberer Rupununi River, río Ucayali, río Marañón, río Napo, rio Madeira, río Ventuari
(Loreto, Amazonas, Acre, Mato Grosso, Pará, Napo)

Günther, 1864
Brazil, Ecudador, Guyana, Suriname
Sand Creek, oberer Rupununi River, río Ucayali, río Marañón, río Napo, rio Madeira, río Ventuari
(Loreto, Amazonas, Acre, Mato Grosso, Pará, Napo)

20
120
25 - 29
unknown
Hypostomus macushi (L 303)
Cochliodon macushi (L 303)
Armbruster & Souza, 2005
Brazil, Guyana
Rupununi River, Simoni River, Ireng River, Takutu River, rio Nhamundá
(Upper Takutu-Upper Essequibo, Roraima, Amazonas (BRA), Pará (BRA))
Cochliodon macushi (L 303)
Armbruster & Souza, 2005
Brazil, Guyana
Rupununi River, Simoni River, Ireng River, Takutu River, rio Nhamundá
(Upper Takutu-Upper Essequibo, Roraima, Amazonas (BRA), Pará (BRA))
30
150
25 - 29
unknown
17
100
25 - 29
unknown
Peckoltia braueri (L 305)
Eigenmann, 1912
Brazil, Guyana
rio Takutu = rio Itacutu, Ireng River = Maú River, Pirara River, rio Branco
(Upper Takutu-Upper Essequibo, Roraima)
Eigenmann, 1912
Brazil, Guyana
rio Takutu = rio Itacutu, Ireng River = Maú River, Pirara River, rio Branco
(Upper Takutu-Upper Essequibo, Roraima)
13
80
25 - 29
unknown
Panaqolus claustellifer (L 306 / LDA 64)
M. Tan, L.S. de Souza, J.W. Armbruster, 2016
Brazil, Guyana
cachoeira do Bem Querer, Takutu River, rio Ita, rio Branco, rio Jauapari, rio Anaua
(Roraima, Upper Takutu-Upper Essequibo)

M. Tan, L.S. de Souza, J.W. Armbruster, 2016
Brazil, Guyana
cachoeira do Bem Querer, Takutu River, rio Ita, rio Branco, rio Jauapari, rio Anaua
(Roraima, Upper Takutu-Upper Essequibo)

13
80
25 - 29
several
>30
150
25 - 29
unknown
12
60
26 - 30
Catfish Atlas 2
Lasiancistrus caucanus (L 312 / LDA 71)
Eigenmann, 1912
Colombia, Panama
río Mercedes, río Jaredo, río Salado, río Cangandio Mandinga, río Pucuro, río Bayano, río Magdalena, río Cauca, río Canita, río San Juan; rio Parti, río Tuira, río Volcán, río Frío
(Cauca, Chocó, Antioquia, Antioquia, Cana )
Eigenmann, 1912
Colombia, Panama
río Mercedes, río Jaredo, río Salado, río Cangandio Mandinga, río Pucuro, río Bayano, río Magdalena, río Cauca, río Canita, río San Juan; rio Parti, río Tuira, río Volcán, río Frío
(Cauca, Chocó, Antioquia, Antioquia, Cana )
22
120
24 - 28
Catfish Atlas 2
Pterygoplichthys cf. joselimaianus "L 313"
Glyptoperichthys cf. joselimaianus "L 313"
Brazil
Rio Xingu bei Altamira
(Pará (BRA))
Glyptoperichthys cf. joselimaianus "L 313"
Brazil
Rio Xingu bei Altamira
(Pará (BRA))
50
200
26 - 30
unknown
12
60
25 - 29
multiple
15
100
25 - 29
unknown
15
80
25 - 29
unknown
Baryancistrus micropunctatus (L 319)
Oliveira, Rapp Py-Daniel & Oyakawa, 2019
Brazil
Rio Jari, rio Iratapuru
(Amapá, Pará (BRA))
Oliveira, Rapp Py-Daniel & Oyakawa, 2019
Brazil
Rio Jari, rio Iratapuru
(Amapá, Pará (BRA))
30
200
26 - 30
unknown
22
150
25 - 29
Catfish Atlas 2
Baryancistrus hadrostomus (L 323)
Oliveira, Rapp Py-Daniel & Oyakawa, 2019
Brazil
Rio Jari
(Pará, Amapá)
Oliveira, Rapp Py-Daniel & Oyakawa, 2019
Brazil
Rio Jari
(Pará, Amapá)
>25
150
26 - 30
unknown
Baryancistrus hadrostomus (L 324)
Oliveira, Rapp Py-Daniel & Oyakawa, 2019
Brazil
Rio Jari
(Pará, Amapá)
Oliveira, Rapp Py-Daniel & Oyakawa, 2019
Brazil
Rio Jari
(Pará, Amapá)
>30
150
26 - 30
unknown
Leporacanthicus sp. "L 326"
Colombia
Río Orinoco-Einzug bei Puerto Ayacucho, Puerto Carreño,
(Vichada)
Colombia
Río Orinoco-Einzug bei Puerto Ayacucho, Puerto Carreño,
(Vichada)
>25
150
25 - 29
unknown
12
60
25 - 29
unknown
Panaqolus sp. "L 329" / "LDA 27"
Brazil, Peru
Amazonas-Einzug bei Iquitos, río Huallaga bei Tingo Maria, rio Javari = río Yavari
(Loreto, Amazonas (BRA), Huánuco)
Brazil, Peru
Amazonas-Einzug bei Iquitos, río Huallaga bei Tingo Maria, rio Javari = río Yavari
(Loreto, Amazonas (BRA), Huánuco)
18
80
25 - 29
unknown
Panaque nigrolineatus laurafabianae (L 330)
Ortega-Lara & Lujan, 2020
Colombia
Río Ariari, río Guejar, río Guaviare-Einzug
(Guaviare, Meta)
Ortega-Lara & Lujan, 2020
Colombia
Río Ariari, río Guejar, río Guaviare-Einzug
(Guaviare, Meta)
40
200
24 - 29
unknown
>30
150
24 - 28
unknown
Hypancistrus seideli (L 333)
Sousa, Sousa, Ribeiro, Sabaj, Zuanon & Rapp Py-Daniel, 2025
Brazil
Rio Xingu bei Porto de Moz
(Pará (BRA))

Sousa, Sousa, Ribeiro, Sabaj, Zuanon & Rapp Py-Daniel, 2025
Brazil
Rio Xingu bei Porto de Moz
(Pará (BRA))

15
100
26 - 30
multiple
Chaetostoma changae (L 334)
Salcedo, 2006
Peru
río Tullumayo, río Monzon, río Aucayacu, río Uchiza, río Pacota, río Huainabe, río Huantanamo
(Huánuco, San Martin)

Salcedo, 2006
Peru
río Tullumayo, río Monzon, río Aucayacu, río Uchiza, río Pacota, río Huainabe, río Huantanamo
(Huánuco, San Martin)

Salcedo, Norma J., 2006 "New Species of Chaetostoma (Siluriformes: Loricariidae) from Central Peru"
Lucanus, Oliver, 2003 "Neue Gebirgs-Harnischwelse aus Peru"
Salcedo, Norma J., 2006 "Two new species of Chaetostoma (Siluriformes: Loricariidae) from the Huallaga River in central Peru"
Lujan, N.K.; Meza-Vargas, V.; Astudillo-Clavijo, V. & ´López-Fernández, H., 2015 "A Multilocus Molecular Phylogeny for Chaetostoma Clade Genera and Species with a Review of Chaetostoma (Siluriformes: Loricariidae) from the Central Andes"
Fishbase
PCF
Lucanus, Oliver, 2003 "Neue Gebirgs-Harnischwelse aus Peru"
Salcedo, Norma J., 2006 "Two new species of Chaetostoma (Siluriformes: Loricariidae) from the Huallaga River in central Peru"
Lujan, N.K.; Meza-Vargas, V.; Astudillo-Clavijo, V. & ´López-Fernández, H., 2015 "A Multilocus Molecular Phylogeny for Chaetostoma Clade Genera and Species with a Review of Chaetostoma (Siluriformes: Loricariidae) from the Central Andes"
Fishbase
PCF
15
100
22 - 27
unknown
Chaetostoma sp. "L 335"
Peru
Río Yurayacu bei Shasuta = Chasuta; río Tulumayo bei Tingo Maria
(San Martín, Huánuco)
Peru
Río Yurayacu bei Shasuta = Chasuta; río Tulumayo bei Tingo Maria
(San Martín, Huánuco)
13
100
22 - 27
unknown
20
120
10 - 16
unknown
Lasiancistrus sp. "L 337"
Brazil
Rio Tocantins, nahe der Mündung des Rio Lageado = rio Lajeado
(Pará (BRA))
Brazil
Rio Tocantins, nahe der Mündung des Rio Lageado = rio Lajeado
(Pará (BRA))
18
120
25 - 29
unknown
Hypancistrus lunaorum (L 339)
Armbruster, Lujan & Taphorn, 2007
Venezuela
río Ventuari, río Manapiare, río Parucito, Oberlauf des río Orinoco
(Amazonas)
Armbruster, Lujan & Taphorn, 2007
Venezuela
río Ventuari, río Manapiare, río Parucito, Oberlauf des río Orinoco
(Amazonas)
15
100
26 - 30
mehrfach
9
60
25 - 29
unknown
Pterygoplichthys cf. gibbiceps "L 347"
Glyptoperichthys cf. gibbiceps "L 347"
Brazil
Rio Pará
(Pará (BRA))
Glyptoperichthys cf. gibbiceps "L 347"
Brazil
Rio Pará
(Pará (BRA))
50
200
25 - 29
unknown
30
150
21 - 26
unknown
Ancistrus sp. "L 349" / "LDA 45"
Brazil, Peru
Río Copal, rio Parnayari bei Jenaro Herrera, río Huallaga bei Tingo Maria, río Yavari = río Javari
(Huánuco, Loreto, Amazonas (BRA))
Brazil, Peru
Río Copal, rio Parnayari bei Jenaro Herrera, río Huallaga bei Tingo Maria, río Yavari = río Javari
(Huánuco, Loreto, Amazonas (BRA))
14
80
24 - 28
unknown
Peckoltia pankimpuju (L 350)
Lujan & Chamon, 2008
Peru
Pongo de Manseriche, río Ucayali-, río Marañón-Einzug, oberer Amazonas-Einzug
(Amazonas)

Lujan & Chamon, 2008
Peru
Pongo de Manseriche, río Ucayali-, río Marañón-Einzug, oberer Amazonas-Einzug
(Amazonas)

50
200
23 - 27
unknown
Spectracanthicus sp. "L 353"
Oligancistrus sp. "L 353"
Brazil
Rio Iriri, Rio Xingu bei São Felix
(Pará (BRA))
Oligancistrus sp. "L 353"
Brazil
Rio Iriri, Rio Xingu bei São Felix
(Pará (BRA))
14
100
26 - 30
unknown
Spectracanthicus zuanoni (L 354)
Oligancistrus zuanoni (L 354)
Chamon & Rapp Py-Daniel, 2014
Brazil
Rio Iriri, mittlerer Rio Xingu bis Altamira
(Pará (BRA))
Oligancistrus zuanoni (L 354)
Chamon & Rapp Py-Daniel, 2014
Brazil
Rio Iriri, mittlerer Rio Xingu bis Altamira
(Pará (BRA))
20
150
26 - 30
L-Wels.Tage 2009
12
60
25 - 29
unknown
>30
150
unknown
12
80
25 - 29
unknown
20
120
25 - 29
unknown
12
80
26 - 30
unknown
30
150
25 - 29
unknown
Spectracanthicus sp. "L 363"
Oligancistrus sp. "L 363"
Brazil
Rio Jamanxim bei Novo Progresso
(Pará (BRA))
Oligancistrus sp. "L 363"
Brazil
Rio Jamanxim bei Novo Progresso
(Pará (BRA))
15
100
25 - 29
unknown
15
100
26 - 30
unknown
Hypostomus sp. "L 366"
Cochliodon sp. "L 366"
Brazil
Traversão da Cachoeira im rio Tapajós-Einzug bei Rurópolis
(Pará (BRA))
Cochliodon sp. "L 366"
Brazil
Traversão da Cachoeira im rio Tapajós-Einzug bei Rurópolis
(Pará (BRA))
30
150
24 - 28
unknown
Hypostomus sp. "L 367"
Cochliodon sp. "L 367"
Brazil
Rio Tapajós-Einzug 25 km nördlich von Rurópolis
(Pará (BRA))
Cochliodon sp. "L 367"
Brazil
Rio Tapajós-Einzug 25 km nördlich von Rurópolis
(Pará (BRA))
30
150
25 - 29
unknown
40
150
26 - 30
Rahardja
15
80
25 - 29
unknown
15
80
26 - 30
welse.ch
15
80
25 - 29
unknown
Ancistrus sp. "L 372"
Brazil
Traversão da Cachoeira 5 km nördl. Rurópolis im rio Tapajos-Einzug
(Pará (BRA))
Brazil
Traversão da Cachoeira 5 km nördl. Rurópolis im rio Tapajos-Einzug
(Pará (BRA))
15
80
24 - 28
unknown
15
100
25 - 29
unknown
>40
200
25 - 29
unknown
12
60
20 - 25
unknown
Ancistrus sp. "L 378" / "LDA 44"
Brazil
Rio Gurupí zwischen Alto Bonito und Marajupema, rio Piriá
(Pará, Maranhão)
Brazil
Rio Gurupí zwischen Alto Bonito und Marajupema, rio Piriá
(Pará, Maranhão)
15
80
25 - 29
Catfish Atlas 2
>30
150
25 - 29
unknown
>40
200
26 - 29
unknown
Hypostomus sp. "L 381"
Cochliodon sp. "L 381"
Brazil
Rio Gurupí zwischen Alto Bonito und Marajupema
(Pará, Maranhão)
Cochliodon sp. "L 381"
Brazil
Rio Gurupí zwischen Alto Bonito und Marajupema
(Pará, Maranhão)
>30
200
25 - 29
unknown
15
100
25 - 29
yes
25
120
25 - 29
unknown
>30
150
26 - 30
unknown
Pseudolithoxus cf. kinja "L 385"
Collins, Bifi, Oliveira, Ribeiro, Lujan, Rapp Py-Daniel, Hrbek, 2018
Brazil
Rio Trombetas, cachoeira Porteira
(Pará (BRA))
Collins, Bifi, Oliveira, Ribeiro, Lujan, Rapp Py-Daniel, Hrbek, 2018
Brazil
Rio Trombetas, cachoeira Porteira
(Pará (BRA))
20
120
26 - 30
unknown
15
100
24 - 28
unknown
15
100
25 - 29
multiple
>30
150
22 - 25
unknown
>30
150
22 - 25
unknown
Hypostomus peckoltoides (L 390)
Zawadzki, Claude Weber & Pavanelli, 2010
Brazil, Paraguay
Rio Cuiabá; río Tebicuary
(Mato Grosso, Ñeembucú, Misiones, Paraguarí)
Zawadzki, Claude Weber & Pavanelli, 2010
Brazil, Paraguay
Rio Cuiabá; río Tebicuary
(Mato Grosso, Ñeembucú, Misiones, Paraguarí)
>20
120
22 - 25
unknown
15
100
25 - 29
Aquarianerportal
12
80
24 - 28
unknown
>30
200
24 - 28
unknown
Panaqolus nix (L 395)
Cramer & Rapp Py-Daniel, 2015
Brazil, Peru
río Mamoré, rio Madeira -, río Madre de Dios-Einzug , río Tambopata
(Rondônia)

Cramer & Rapp Py-Daniel, 2015
Brazil, Peru
río Mamoré, rio Madeira -, río Madre de Dios-Einzug , río Tambopata
(Rondônia)

>15
100
24 - 29
unknown
Hypancistrus seideli (L 399)
Sousa, Sousa, Ribeiro, Sabaj, Zuanon & Rapp Py-Daniel, 2025
Brazil
Rio Xingu bei Belo Monte
(Pará (BRA))

Sousa, Sousa, Ribeiro, Sabaj, Zuanon & Rapp Py-Daniel, 2025
Brazil
Rio Xingu bei Belo Monte
(Pará (BRA))

15
100
25 - 29
yes
Hypancistrus seideli (L 400)
Sousa, Sousa, Ribeiro, Sabaj, Zuanon & Rapp Py-Daniel, 2025
Brazil
Rio Xingu bei Belo Monte
(Pará (BRA))

Sousa, Sousa, Ribeiro, Sabaj, Zuanon & Rapp Py-Daniel, 2025
Brazil
Rio Xingu bei Belo Monte
(Pará (BRA))

15
100
25 - 29
yes
100 entries found.
Many thanks to
for the pictures
MissWels
3
Ingo Seidel
4, 8, 11, 15, 17, 18, 21, 24, 30, 33, 35, 37, 38, 39, 41, 45, 53, 55, 56, 57, 58, 59
Eigenmann, Carl H. (PD)
5
7, 12, 13, 31, 34, 40
Hans-Georg Evers
9, 10, 28, 29, 42, 43
Reiner Fuchs
14
Brian Chung
16
Rare Aquatics
19, 20
22, 48, 50
Mark Sabaj Pérez (CC BY-NC 3.0)
26
Doreen
27
Serge
36
46
Christof Helfen
49
H. Skrupke
52
Please help with your pictures and information to complete the database: database(at)welsfans.de