Dalton Tavares Bressane Nielsen, Born in São Paulo, Brasil 9 july 1966.


Studied at University in Administration (1991) and Biology (2000) and made his master's degree in Natural Sciences Biology and kept killifishes since 1980.
He is well known for his work on new species taxonomy. First in  field work in southern Brazil 1982.
Important fieldwork in 1993 with Ruud Wildekamp and Dale Weber – 12.000 km collecting Killies in central Brazil while most of his discoveries later were done during Fieldwork in Brazil and Bolivia.

Scientific publications (PDF) concerning "New World" Killies only:

Nielsen 2010_Simpsonichthys lopesi

Nielsen 2012 Hypsolebias tocantinensis

Nielsen 2013 Hypsolebias shibattai

Nielsen 2013 Neofundulus splendidus

Nielsen 2013 Papiliolebias ashleyae

Nielsen 2013 Spectrolebas brousseaui

Nielsen 2013 Spectrolebias pilleti

Nielsen 2014 Hypsolebias trifasciatus

Nielsen 2014 Maratecoara gesmonei

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