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