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  • Nannostomus unifasciatus
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Scientific NameNannostomus unifasciatus    Steindachner, 1876
Common NamesOne-line Pencilfish
Dip-tailed Pencilfish, Pfauenaugen-Schrägsteher (Germany), Tail-eye Pencilfish
Type LocalityNear mouth of Rio Negro, Brazil.
Synonym(s)Nannobrycon unifasciatus, Nannostomus ocellatus, Poecilobrycon ocellatus, Poecilobrycon unifasciatus
Pronunciationnan oss tow muss.
EtymologyLatin, nannus = small + Greek, stoma = mouth. 
Hop to next section Species Information
Size38mm or 1.5" SL. Find near, nearer or same sized spp.
SexingFemales, when in good condition, have a fuller body. Males tend to have brighter colours, typically a lot more red in the colouration.

Females, when in good condition, have a fuller body. Males tend to have brighter colours, typically a lot more red in the colouration.
Hop to next section Habitat Information
Distribution
Amazon (click on these areas to find other species found there)
Amazon, Upper Amazon (click on these areas to find other species found there)

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IUCN Red List Category
Least Concern
, a distribution map is available on the IUCN species page. Last assessed 2020.
Hop to next section Husbandry Information
Suggested TankmatesAvoid boisterous tankmates, this is a small slow moving species that shoals.
Breeding ReportsThere is no breeding report.
Hop to next section Further Information
ReferenceSitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe v. 74 (1. Abth.), pp 127 [79], Pl. 9 (fig. 1)
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Hop to next section More Resources
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Look up on Encyclopedia of LifeLook up N. unifasciatus on Encyclopedia of Life
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Nannostomus unifasciatus QR codeLFS label creator
ARN ref:4.43.459.5158
Last UpdateThu Jan 01, 1970 1:00 am (Species record created: Thu Jan 01, 1970 1:00 am)