Peces Criollos - Freshwater Fishes of Argentina Peces Criollos - Freshwater Fishes of Argentina
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Gymnotus omarorum - first record from Argentina

Gymnotus omarorum
Gymnotus omarorum (photo from publication)

first record from Argentina:
Gymnotus omarorum Richer-de-Forges, Crampton & Albert, 2009

published in:
Casciotta, J., A. Almirón, S. Sánchez, J. Iwaszkiw & M.C. Bruno (2012):
The genus Gymnotus (Gymnotiformes: Gymnotidae) in Argentina. How bad taxonomy results in poor regulations and no conservation.
Journal of Applied Ichthyology (2012): 1–5
doi: 10.1111/jai.12028

remarks:
The above mentioned bibliographical data refer to an ahead-of-print-version (early view). As soon as this paper will be published on paper volume, issue and pages will be added and the doi will be deleted from this entry.

distribution in Argentina (from publication):
Corrientes Province, Esteros del Riachuelo, (27º34’39″S–58º15′23″W), Río Paraná basin | Chaco Province, Resistencia, Río Paraná basin | Entre Ríos Province, Arroyo Grande, Río Uruguay basin

abstract (from publication):
Four species of the genus Gymnotus are present in Argentina: G. inaequilabiatus, G. omarorum, G. pantanal, and G. sylvius, the last three species being recorded for the first time in freshwater courses. Gymnotus omarorum, G. pantanal, and G. sylvius together with others of the genus Brachyhypopomus
are the group of fishes that bear the greatest impact in the trade as live bait for sport fishing in the northeastern region of Argentina. Within this large area, only the provinces of Chaco, Corrientes, and Formosa have regulations for the catch, trade, and sale of species as live bait. Unfortunately, the species covered by legal regulations are Gymnotus carapo and Brachyhypopomus brevirostris, neither of which occurs in freshwater habitats of Argentina. Comments are included as to how this bad taxonomy affects the regulations and conservation status of these species.

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