Nemadoras cristinae, new species of thorny catfish (Siluriformes: Doradidae) with redescriptions of its congeners

Autor:	José L. O. Birindelli, H Mariangeles Arce, Mark H. Sabaj Pérez, Leandro M. Sousa
Rok vydání:	2014
Předmět:	Barbel integumentary system stomatognathic system Ecology biology Anatomy Doradidae biology.organism_classification Ecology Evolution Behavior and Systematics Nemadoras cristinae Catfish
Zdroj:	Proceedings of the Academy of Natural Sciences of Philadelphia. 163:133-178
ISSN:	1938-5293 0097-3157
DOI:	10.1635/053.163.0102
Popis:	Nemadoras cristinae is described from the upper Amazonas/Solimoes and Madeira basins in Brazil, Colombia and Peru, with additional specimens from the upper Meta (Orinoco basin), Colombia, tentatively treated as conspecific. Nemadoras cristinae is distinguished from congeners by having 3–9 premaxillary teeth in approximately two rows in juveniles and adults, outermost teeth weakly spatulate and innermost more acicular (vs. premaxillary edentulous in adults of all congeners and limited to 1–6 acicular teeth in juveniles of N. elongatus, N. humeralis, N. leporhinus and N. ternetzi); and mental barbels with extremely elongate (filiform) papillae, length of longest papillae about 4–7 times its width at base (vs. papillae shorter, length of longest
Databáze:	OpenAIRE
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