inermis (lat.) - unarmed
Synonyms
Silurus inermis
Parauchenipterus striatulus
Gata (COL)
has Ageneiosus armatus
has Ageneiosus axillaris
has Ageneiosus barranquenensis
has Ageneiosus brevifilis
has Ageneiosus dawalla
has Ageneiosus gabardinii
has Ageneiosus marmoratus
has Ageneiosus ogilviei
has Ageneiosus sebae
has Ageneiosus therezinae
has Davalla schomburgkii
Hypothalmus dawalla
Pseudageneiosus therezinae
has Ageneiosus marmoratus
cachorro-de-padre
fidalgo
Mandí-leitero
Mandové
Mandubá
Mandubé cabezón
Manduvé-í
Palmito
Slopehead Catfish
Solalinde
Parauchenipterus striatulus
Gata (COL)
has Ageneiosus armatus
has Ageneiosus axillaris
has Ageneiosus barranquenensis
has Ageneiosus brevifilis
has Ageneiosus dawalla
has Ageneiosus gabardinii
has Ageneiosus marmoratus
has Ageneiosus ogilviei
has Ageneiosus sebae
has Ageneiosus therezinae
has Davalla schomburgkii
Hypothalmus dawalla
Pseudageneiosus therezinae
has Ageneiosus marmoratus
cachorro-de-padre
fidalgo
Mandí-leitero
Mandové
Mandubá
Mandubé cabezón
Manduvé-í
Palmito
Slopehead Catfish
Solalinde
Length (total)
approx. 65 cm
Standard length (documented)
446.7 mm
Recommended tank size
250 cm
Weight
2.500 kg
Temperature
25 - 30 °C
pH
6.0 - 7.5
➀ Amazonas = rio Solimões, ➀ rio Xingu, ➀ río Guaporé = río Iténez, ➀ rio Purus = río Purús, ➀ río Napo, ➀ río Ucayali, ➀ rio Tocantins, Coppename River, ➀ Essequibo River, ➀ río Uruguay = rio Uruguai, ➀ río Paraná = rio Paraná, ➀ río Paraguay = rio Paraguai, rio Água Limpa, río Alegre, río Ampiyacu = río Ambyiacu, lagos do Araguaia, rio Araguari, rio Arinos, rio Branco = río Cabixi, lago Catuá, rio Culuene, río Cunucunuma, rio Curuá-Una, rio Guariba, rio Itaqui, río Jaurú, ➀ rio Juruá = río Yuruá, Lawa River = Aoua River, ➀ río Manapiare, río Mavaca, igarapé Monthanha, laguna Mozambique, rio Parnaíba, rio Poti = rio Puty, Rupununi River, rio Turiaçu, lago Cuniã, ➀ rio Vaupés = rio Uaupés - widespread
Amazonas (BRA), Amazonas (VEN), Pará (BRA), Mato Grosso, Mato Grosso do Sul, Rio Grande do Sul, Loreto, Tocantins, Rondônia, Meta, Sipaliwini, Coronie, Saramacca, Essequibo Islands-West Demerara, Cuyuni-Mazaruni, Upper Demerara-Berbice, Pataro-Siparuni, Upper Takutu-Upper Essequibo, Beni, Santa Cruz
Southamerica without Chile
río Orinoco- ➙ Caribic ↓ río de la Plata- ➙ Atlantic SE↓ Amazonas-Einzug - ➙ Atlantic NE ↓
˜[ 4.205,-56.303 ]
Nutrition (mostly): carnivore
fishes, Shellfish, detritus, vegetable fibers, inverbrates (terrestrial) (invertebrates (terrestris))
Eats plants
not known
Males have a longer hard spine in the dorsal fin.
unknown
 
present
iv - viii / 26 - 36 rays
I / 6 rays
(12 -) 14 (- 15) soft rays
6 soft rays
iv - viii / 26 - 36 rays
I / 6 rays
(12 -) 14 (- 15) soft rays
6 soft rays
Sympatric with
Ageneiosus ucayalensis
Centromochlus heckelii
Nemadoras humeralis
Squaliforma emarginata
Hemigrammus cf. lunatus
Centromochlus heckelii
Nemadoras humeralis
Squaliforma emarginata
Hemigrammus cf. lunatus
Hyphessobrycon copelandi
Phenacogaster sp.
Pimelodella sp.
Plagioscion squamosissimus
Sorubim sp.
Phenacogaster sp.
Pimelodella sp.
Plagioscion squamosissimus
Sorubim sp.
not known
- Bleeker, P., 1858 "De visschen van den Indischen Archipel. Beschreven en toegelicht. Siluri" (Acta Societatis Regiae Scientiarum Indo- Neêrlandicae) P. 64
- Reis, R.E., Kullander, S.O. & Ferraris, C.J. et.al., 2003 "Check List of the Freshwater Fishes of South and Central America" P. 471
- Schäfer, Frank: "Revision der Delfinwelse abgeschlossen"
(DATZ Mai 2017) - Werner, Uwe: "Einige Welse und ‚Oddballs‘ aus dem Maroni"
(DATZ Juni / Juli 2022)
- Linnaeus, 1766 "Pisces" (Systema Naturae, Vol. 1, P. 503)
- Ribeiro, F.R.V.; Rapp Py-Daniel, L. & Walsh, S.J., 2017 "Taxonomic revision of the South American catfish genus Ageneiosus (Siluriformes: Auchenipteridae) with the description of four new species" (Journal of Fish Biology, P. 5)
- Ota, R.R.; Carvalho Deprá, G. de; Graça, W.J. da & Pavanelli, C.S., 2018 "Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated" (Neotropical Ichthyology, Vol. 16 No. 2, P. 60)
- Calegari, B.B. & Reis, R.E., 2019 "Phylogenetic systematics of the driftwood catfishes (Siluriformes: Auchenipteridae): a combined morphological and molecular analysis" (Zoological Journal of the Linnean Society, P. 98)
- Briceño, L.C.P., Doque, A.B.; Trujllo,F. & Fundación Omacha, 2021 "Los peces y la pesca del sitio Ramsar río Bita - Vichada"
- Gimênes Junior, H. & Rech, R. , 2022 "Guia ilustrado dos peixes do Pantanal e entorno"
- Urbano-Bonilla, A.; Garcia-Melo, J.E.; Peña-Bermudez, M.E.; Melo-Ortiz, O.E.; Ordoñez, O.S.; Correa, S.B.; Carvalho;T.P. & Maldonado-Ocampo, J.A., 2024 "Fishes (Actinopterygii) of the rapids and associated environments in the lower Vaupés River Basin: an undiscovered Colombian Amazon diversity" (ZooKeys, Vol. 1203, P. 131)
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