pachysarkos (gr.) = obese, paunchy;
with respect to the ventral form of head and abdomen of adult males.
Synonyms
unknown
least concern
Length (total)
approx. 6 cm
Standard length (documented)
42.0 mm
Recommended tank size
60 cm
Paraná
Brazil
ribeirão Marialva | rio Bom | rio Ubazinho ⇒ rio Ivaí → río Paraná → río de la Plata → Atlantic SE
[ -25.082,-51.176 ]
High above sea level
> 400 m
Type of water
Clear water, Black water
Flow
normal - strong
Substrate
sand
Nutrition (mostly): vegetarian
Eats plants
not known
Keeping in groups is necessary.
unknown
 
i / 5 rays
14 soft rays
slightly incised / concave
top and bottom approximately the same length
i / 7 rays
slightly convex
6 soft rays
i / 5 rays
14 soft rays
slightly incised / concave
top and bottom approximately the same length
i / 7 rays
slightly convex
6 soft rays
i / 5 rays
Sympatric with
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
- Zawadzki, C.H.; Roxo, F.F. & Graça. W.J. da, 2016 "Hisonotus pachysarkos, a new species of cascudinho from the rio Ivaí basin, upper rio Paraná system, Brazil (Loricariidae: Otothyrinae)" (Ichthyological Exploration of Freshwaters, Vol. 26 No. 4, P. 373)
- Frota, A.; Carvalho Deprá, G. de; Petenucci, L.M. & Graça, W.J. da, 2016 "Inventory of the fish fauna from Ivaí River basin, Paraná State, Brazil" (Biota Neotropica, Vol. 16 No. 3, P. 6)
- 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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