Trichomycterus septemradiatus
Katz, Barbosa & Costa, 2013
septem = seven, radiatus = rays; because the seven pectoral fin rays
Synonyms
unknown
Length (total)
approx. 6 cm
Standard length (documented)
45.4 mm
Recommended tank size
60 cm
High above sea level
828 - 856 m
Habitat river width
< 1.00 m
(Prefered) River depth
< 0.50 m
Substrate
rocks
On the riverbank
forest
Eats plants
not known
unknown
9 soft rays
13 soft rays
straight to slightly convex
11 soft rays
slightly convex
7 soft rays
short filament
5 soft rays
13 soft rays
straight to slightly convex
11 soft rays
slightly convex
7 soft rays
short filament
5 soft rays
Sympatric with
Heptapterus sp.
Hoplias malabaricus
Knodus moenkhausii
Oligosarcus argenteus
Hoplias malabaricus
Knodus moenkhausii
Oligosarcus argenteus
Not 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
- Katz, A.M.; Barbosa, M.A. & Costa, W.J E.M., 2013 "Two new species of the catfish genus Trichomycterus from the Paraná river basin, southeastern Brazil (Teleostei: Trichomycteridae)" (Ichthyological Exploration of Freshwaters, Vol. 23 No. 4, P. 359)
- Azevedo-Santos, V.M.; Britski, H.A.; Oliveira, C. & Benine, R.C., 2019 "Ichthyofauna of streams of the Rio Sapucaí basin, upper Rio Paraná system, Minas Gerais, Brazil" (Biota Neotropica, Vol. 19 No. 1)
- Costa, W.J.E.M., 2021 "Comparative Osteology, Phylogeny and Classification of the Eastern South American Catfish Genus Trichomycterus (Siluriformes: Trichomycteridae)" (Taxonomy, Vol. 1 No. 2)
- Deprá, G.de C.; Aguilera, G.; Faustino-Fuster, D.R.; Katz, A.M. & Azevedos-Santos, V.M., 2022 "Redefinition of Heptapterus (Heptapteridae) and description of Heptapterus carmelitanorum, a new species from the upper Paraná River basin in Brazil" (Zoosystematics and Evolution, Vol. 98 No. 2)
- Dagosta,F.C; Monção,M.S; Nagamatsu,B.A; Pavanelli,C.S; Carvalho,F.R; Lima,F,C.T; Langeani,F; Dutra,G.M; Ota, R.R; Seren,T.J; Tagliacollo,V; Menezes, N.A; Britski,H.A & Pinna M, 2024 "Fishes of the upper rio Paraná basin: diversity, biogeography and conservation" (Neotropical Ichthyology, Vol. 22 No. 1)
Many thanks to
for the pictures
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Link: https://www.suedamerikafans.de/en/wels-datenbank/welsart/?art=2908
2908
15.10.2025