Rineloricaria Bleeker

Mónica S. Rodríguez & Amalia M. Miquelarena, 2005, A new species of Rineloricaria (Siluriformes: Loricariidae) from the Paraná and Uruguay River basins, Misiones, Argentina., Zootaxa 945, pp. 1-15 : 2

publication ID

z00945p001

publication LSID

lsid:zoobank.org:pub:B2B62B8B-3449-43B1-92B8-36D0AF13D136

DOI

https://doi.org/10.5281/zenodo.6268788

persistent identifier

https://treatment.plazi.org/id/F86DDDC3-53C4-72BB-AEA8-A64C47E64F59

treatment provided by

Thomas

scientific name

Rineloricaria Bleeker
status

 

[[ Rineloricaria Bleeker View in CoL View at ENA   ZBK ]]

The genus Rineloricaria Bleeker, 1862   ZBK , is probably the most speciose and that for which taxonomy is least resolved among the Loricariinae (Reis & Cardoso, 2001). A comprehensive evaluation of this morphologically diverse and widely distributed group is needed to delimit the recognizable species and more accurately circumscribe their geographic distributions.

In general, Rineloricaria   ZBK species are small and exhibit sexual dimorphism in the form of hypertrophied development of odontodes on the sides of the head and on pectoral fins of males. The wide distributional range, extending from Costa Rica (Ferraris, 2003) to the Río de La Plata in Argentina, coupled with an adaptive capacity enabling many species to exploit the most varied habitats, explain the successful history of Rineloricaria   ZBK . Some species, such as R. strigilata (Hensel, 1868) , have been caught in highly polluted waterbodies and represent some of the main components of the ichthyological diversity in such habitats (Flores-Lopes et al, 2001).

Isbrücker (2001) relocated several species of Rineloricaria   ZBK to the genus Hemiloricaria Bleeker, 1862   ZBK , based on a few external morphological and sexually dimorphic characters. Ferraris (2003) recognized only Rineloricaria   ZBK as valid comprising more than 45 nominal species.

Eight species of Rineloricaria   ZBK have been reported to occur in Argentina: R. lima (Kner, 1854) , R. catamarcensis (Berg, 1895) , R. microlepidogaster (Regan, 1904) , R. felipponei (Fowler, 1943) , R. thrissoceps (Fowler, 1943) , R. pareiacantha (Fowler, 1943) , R. parva (Boulenger, 1895) , and R. lanceolata ( Guenther, 1868) . The last two species were recognized by López et al. (2003) within the genus Hemiloricaria   ZBK .

The goal of this study is to diagnose and describe a new species of Rineloricaria   ZBK from the Paraná and Uruguay River basins in Misiones Province, Argentina.

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