Nannostomus beckfordi Günther, 1872
Golden pencilfish
photo by Hoffmann, P. and M. Hoffmann

Family:  Lebiasinidae (Pencilfishes), subfamily: Pyrrhulininae
Max. size:  6.5 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 6 - 8; dH range: 5 - 19
Distribution:  South America: native in the rivers of Guyana south to the Amazon basin and up the Amazon River to the Negro River.
Diagnosis:   
Biology:  Inhabits small rivers with little current and in swamps where they are very common. Forms groups where the males dominate to defend their territory. Is highly appreciated by aquarists (Ref. 12225). Feeds on worms, crustaceans and insects (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
IUCN Red List Status: Least Concern (LC); Date assessed: 21 September 2020 Ref. (130435)
Threat to humans:  harmless


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