All FishesLebiasinidaePyrrhulininaeNannostomus  |  | 

Hop to next section All Fishes Data Sheet
Scientific Name Nannostomus marginatus  Eigenmann, 1909
Common Names Dwarf Pencilfish
Zwerg-Ziersalmler (Germany)
Type Locality Maduni Creek, Guyana.
Synonym(s) Nannostomus marginatus picturatus
Pronunciation nan oss tow muss. - mar gin ay tuss.
Etymology Latin, nannus = small + Greek, stoma = mouth. 
Hop to next section Species Information
Size 35mm or 1.4" SL. Find near, nearer or same sized spp.
Sexing 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 South America: Lower to middle Amazon River, Colombia east of the Andes, Guyana, Peru east of the Andes, Suriname and Venezuela east of the Andes.
Amazon, Lower Amazon (click on these areas to find other species found there)
Amazon, Middle Amazon (Solimoes) (click on these areas to find other species found there)
Amazon, Upper Amazon (click on these areas to find other species found there)
Guyana Waters (click on these areas to find other species found there)

Login to view the map.
IUCN Red List Category
Least Concern
, range map and more is available on the IUCN species page. Last assessed 2020.
pH 5.8 - 7.5
Temperature 24.0-26.0°C or 75.2-78.8°F (Show species within this range)
Hop to next section Husbandry Information
Suggested Tankmates Avoid boisterous tankmates, this is a small slow moving species that shoals.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Annals of the Carnegie Museum v. 6 (no. 1), pp 41.
Registered Keepers There is but a single registered keeper, view all "my fish" data.
Wishlists Love this species? Click the heart to add it to your wish list.
There is no wish to keep this species.
Spotters Spotted this species somewhere? Click the binoculars!
There is but a single record of this fish being seen, view it.
Forum BBCode
Look up on Fishbase Look up N. marginatus on Fishbase
Look up on Encyclopedia of Life Look up N. marginatus on Encyclopedia of Life
Look up on Global Biodiversity Information Facility Look up N. marginatus on Global Biodiversity Information Facility
Nannostomus marginatus QR code LFS label creator
ARN ref:4.43.459.4219
Last Update 2020 Oct 12 23:08 (species record created: 2012 Feb 19 15:51)