Vertebrate Zoology 59(1): 11-23, doi:
Nannostomus rubrocaudatus spec. nov. - ein neuer Ziersalmler aus Peru (Teleostei: Characiformes: Lebiasinidae)
expand article infoAxel Zarske‡
‡ Senckenberg Naturhistorische Sammlungen Dresden, Museum für Tierkunde,, Dresden,, Germany

Corresponding author: Axel Zarske ( axel.zarske@senckenberg.de )

© Axel Zarske.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation: Zarske A (2009) Nannostomus rubrocaudatus spec. nov. - ein neuer Ziersalmler aus Peru (Teleostei: Characiformes: Lebiasinidae). Vertebrate Zoology 59(1): 11-23
Open Access
Abstract
Nannostomus rubrocaudatus sp. n. is described from Peru. The new species is closely related with N. mortenthaleri and N. marginatus. The coloration of the males of N. rubrocaudatus sp. n. in life is extremly different from these species. The new species has a clearly developed sexual dichomatism, which is not to see in N. marginatus. The sexual dimorphism in the anal-fin described by WEITZMAN & WEITZMAN (2003) for N. mortenthaleri was also found in N. rubrocaudatus sp. n. and in a „colour variety“ of N. marginatus from the rio Negro basin.
Keywords
Teleostei, Characiformes, Nannostomus, new species, Peru, South America.