Journal Article
New species of glass knifefish genus Eigenmannia (Gymnotiformes: Sternopygidae) with comments on the morphology and function of the enlarged cephalic lateral-line canals of Sternopygidae
Peixoto, L.A.W., Pastana, M.N.L. and Ballen, G.A.
Record Number:
5213
Year:
2021
Journal:
Journal of Fish Biology
Pages:
142-153
Volume:
98
Abstract:
A new species of Eigenmannia is described from the Rio Paraná (the Grande, Paranapanema
and Tietê basins). This new species is distinguished from all congeners by
colouration pattern, position of the mouth, relative depth of posterodorsal expansion
on infraorbitals 1 + 2, number of teeth, osteological features, number of rows of
scales above lateral line (LL) and morphometric data. Comments on the widened
cephalic lateral-line canals of Sternopygidae and a dichotomous key to the species of
Eigenmannia from the Rio Paraná Basin are provided.
KEYWORDS
gymnotiforms, lateral-line system, mechanoreceptors, Neotropical ichthyofauna, taxonomy
Times Cited:
1
Relevent Species:
Related Records:
Trajano, E. and de Souza, A. M. (1994)
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