''Hemigrammus bleheri'' is a species of

characin Characiformes is an order of ray-finned fish, comprising the characins and their allies. Grouped in 18 recognized families, more than 2000 different species are described, including the well-known piranha and tetras.; Buckup P.A.: "Relationshi ...

found in

Amazon Basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

and

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

. One of three species called

rummy-nose tetra The rummy-nose tetra (''Hemigrammus rhodostomus'') is a species of tropical freshwater characin fish originating in South America, popular among fishkeepers as an aquarium fish. One of many small tetras belonging to the same genus, it is on aver ...

, but is also called firehead tetra according to

FishBase FishBase is a global species database of fish species (specifically finfish). It is the largest and most extensively accessed online database on adult finfish on the web.

. Reaching a standard length of 2" (5 cm) it is a common species found in the aquarium trade although often potentially hybridised with the other collective rummy-nose tetra species ''

Hemigrammus rhodostomus The rummy-nose tetra (''Hemigrammus rhodostomus'') is a species of tropical freshwater characin fish originating in South America, popular among fishkeepers as an aquarium fish. One of many small tetras belonging to the same genus, it is on aver ...

and

Petitella georgiae ''Petitella georgiae'', the false rummy-nose tetra, is a species of characin found in Amazon Basin in Brazil and Peru. It is a very popular aquarium fish. It is the sole member of its genus, but resembles two species from another genus, ''Hemi ...

;'' the false rummy-nose tetra''.''

Etymology

Binomial'', bleheri'', honouring the species’ discoverer,

Heiko Bleher Heiko Bleher (born 18 October 1944) is a German researcher, author, photographer, and filmmaker. He is best known in the scientific community for his contribution to the exploration of fresh and brackish water habitats worldwide. He has discover ...

Distribution

This species is found in the Rio Negro and

Rio Meta The Meta River is a major left tributary of the Orinoco River in eastern Colombia and southern Venezuela, South America. The Meta originates in the Eastern Ranges of the Andes and flows through the Meta Department, Colombia as the confluence of ...

basins.

Diet

Omnivorous and will accept just about anything offered. Species does have a small mouth so correspondingly sized foods are best. Feed a mixture of dried flakes and granules and small live and frozen foods. A varied diet such as this is essential for the best colour development.

References

{{Taxonbar, from=Q883465 Tetras Taxa named by Jacques Géry Taxa named by Volker Mahnert Fish described in 1986