Tenellus trimaculatus
Boulenger, 1898
(Type species)
Genus uncertain (inc. sed.)
Length (total)
approx. 15 cm
Standard length (documented)
114.0 mm
Recommended tank size
100 cm
Amauonas (BRA), Amazonas (VEN), Loreto, Essequibo Islands-West Demerara, Cuyuni-Mazaruni, Upper Demerara-Berbice, Pataro-Siparuni, Upper Takutu-Upper Essequibo
Brazil, Guyana, Peru, Venezuela
rio Negro ⇒ Amazonas ⇒ Atlantic NE ↓ río Orinoco → Caribic
˜[ -2.774,-65.885 ]
Flow
small - strong
Substrate
sand, rocks
Nutrition (mostly): insect-eater
Trichoptera (Trichoptera)
Eats plants
not known
Keeping in groups is necessary.
unknown
8 - 10 soft rays
15 soft rays
II / 6 rays
(7 -) 8 (- 9) soft rays
6 soft rays
15 soft rays
II / 6 rays
(7 -) 8 (- 9) soft rays
6 soft rays
Sympatric with
On the positive list of Brazil in 2012 : The positive list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
Not on the negative list of Brazil from 2020 : The negative list of Brazil
last seen on a
german stock list
german stock list
29/January/2022
- Schäfer, Frank: "Netter Dornwels"
(DATZ Januar 2019) - Katzschmann, A. & Behr, N.: "Ganz schön stachelig!"
(Amazonas Januar / Februar 2023)
- Boulenger, G.A., 1898 "On a Collection of Fishes from the Rio Jurua, Brazil" (Transactions of the Zoological Society of London, Vol. 14, P. 422)
- Eigenmann, C.H., 1925 "A review of the Doradidae, a family of South American Nematognathi, or catfishes" (Transactions of the American Philosophical Society (New Series), Vol. 22 No. 5, P. 352)
- Galvis, G.; Mojica, J.I.; Doque, S.R.; Castellanos, C.; Sánchez-Duarte, P.; Arce, M.; Gutiérrez, Á.; Jiménez, L.F.; Santos, M.; Vejarano, S.; Arbeláez, F.; Prieto, E. & Leiva,, 2006 "Peces del medio Amazonas - Región de Leticia" (Conservación Internacional, P. 250)
- Sabaj Pérez, M.H., Arce, M.H.; Sousa, L.M. & Birindelli, J.L.O., 2014 "Nemadoras cristinae, new species of thorny catfish (Siluriformes: Doradidae) with redescriptions of its congeners" (Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 163, P. 133)
- PCF
Many thanks to
for the pictures
José Birindelli (CC BY-NC 3.0)
1, 2
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Link: https://www.suedamerikafans.de/en/wels-datenbank/welsart/?art=1686
1686