(Miranda Ribeiro, 1918)
contributors to this species:
Evandro Carlos Wollmann
Steindachneridion scriptum differs from its
congeners by having the combination of the following
characters: supraoccipital process distant from anterior
nuchal plate by length of one orbital diameter; premaxillary
tooth plates united and with groove medially, slightly
curved and sharp in distal region; vomer with single
and oval shaped tooth plate; and 15 to 17 gill rakers
on first branchial arch. Head depth shorter than head
width (64.2 to 86.2%); and head width 21.1 to 26.0%
of SL. Orbit small 21.2 to 31.7% of interorbital distance
and 7.3 to 10.1% of HL; mouth large, its width 38.7
to 47.2% of HL. Lips thin, maxillary barbel long,
surpassing pectoral fin tip and reaching vertical
through dorsal-fin insertion. Caudal peduncle depth
32.0 to 41.5% of head length; caudal fin deeply notched;
upper lobe larger than lower; both tips slightly rounded.
Colouration: Ground colour displaying
body light greyish, abdomen whitish, with elongated
or striated black blotches and dark dots irregularly
scattered on head, trunk, rays and membrane fins.
scripta, Steindachneridion scripta
Brazil, upper rio Paraná, and rio Uruguay basins.
Type Locality: Itaqui [Rio Grande
do Sul, Brazil].
Ferraris, C.J. Jr.,
2007. Checklist of catfishes, recent and fossil (Osteichthyes:
Siluriformes), and catalogue of siluriform primary
types. Zootaxa 1418:1-628. Froese, R. and D. Pauly. Editors.
2011. FishBase. World Wide Web electronic publication.
www.fishbase.org, version. Garavello, Julio Cesar., Revision
of genus Steindachneridion (Siluriformes: Pimelodidae).
Neotropical Ichthyology, 3(4):607-623, 2005.