Nannostomus bifasciatus Hoedeman, 1954
Whiteside pencilfish
Nannostomus bifasciatus
photo by AquaNet

Family:  Lebiasinidae (Pencilfishes), subfamily: Pyrrhulininae
Max. size:  3.4 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 5.5 - 7; dH range: 4
Distribution:  South America: Coastal rivers of Suriname and French Guiana.
Diagnosis:   
Biology:  Gregarious. Forms schools of about a dozen individuals. Frequently occurs upstream in counter current zones. Is an omnivore with a tendency to feed on insects (Ref. 12225). Crepuscular. Appreciated by aquarist notably for its tendency to live in groups and for it habit of swimming with the body oriented upwards. Reproduces in captivity. The spawned eggs, which are fixed to vegetal substrate, do not receive parental care (Ref. 27188).
IUCN Red List Status: Least Concern (LC); Date assessed: 16 November 2020 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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