Description:
Dorsal soft rays (total): 8-10; Anal soft rays: 6;
Vertebrae: 35 - 36. This species is distinguished
from all its congeners except S. teiniagua
by the absence of the pores s1, s2, s3, and s6 of
the supraorbital line of the laterosensory system
(vs. presence of, at least, the pore s6); differs
from S. teiniagua by having the pore i10
of the infraorbital line of the laterosensory system
(vs. pore i10 absent) and with 9 pterygiophores in
the dorsal fin (vs. 8). Habitat:
This species inhabits rivers and streams, with sand
or gravel-bottoms. The species has not been collected
with congeners. Diet: The stomach
of one specimen had immature aquatic insects and unidentified
plant remains. Etymology: Named for
the Conservation Unit ‘Área de Proteção
Ambiental Ibirapuitã’, its type locality;
noun in apposition.
Common
Name:
None
Synonyms:
None
Family:
Trichomycteridae
Distribution:
South America: Rio Ibirapuitã basin (Rio Grande
do Sul, southern Brazil), and Río Arapey basin
(Uruguay).
Size:
4.5cm (1¾ins)
Temp:
-
p.H.
6.0-7.0.
Reference:
Ferrer, J. and L.R.
Malabarba, 2020. Systematic revision of the
Neotropical catfish genus Scleronema (Siluriformes:
Trichomycteridae), with descriptions of six new species
from Pampa grasslands. Neotrop. Ichthyol. 18(2):1-81. Froese, R. and D. Pauly. Editors.
2023. FishBase. World Wide Web electronic publication.
www.fishbase.org, ( 06/2023 ). Loureiro M, González-Bergonzoni
I, Teixeira de Mello F. 2023. Freshwater
Fishes of Uruguay. Second edition. Vertebrate Zoology
Laboratory, Faculty of Sciences, University of the
Republic.
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