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Rummynose Tetra

Rummynose Tetra

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Hemigrammus bleheri

Note: Due
to variations within species, your item may not look identical to the image




Rio Negro & Rio Meta Basins, Brazil &

Sexual Dimorphism

Difficult to distinguish. Males are usually
slightly slimmer than females.

Maximum Size

4cm (1.58?)

Water Parameters

The natural conditions of this species are very
soft & acidic blackwaters. This species should only be kept in softwater


22-28 deg C (72-82 deg F)


Softwater community


No special requirements



The Rummynose Tetra is a relatively delicate species should
be kept in mature softwater community aquariums with a good amount of plant
cover. Although most specimens offered for sale in the aquatics trade are
tank-bred, they still require softwater (pH <6.5 and dH <8 degrees) to
really thrive. Darker substrate and background choices will help to show off
the colouration of the fish. Rummynose tetras are peaceful by nature and are a
shoaling species that must be kept in groups of 6 or more. Excellent water quality
is a must as this species is very sensitive to pollutants. Often confused with
Ahl?s Rummynose Tetra (Hemigrammus rhodostomus) and the False Rummynose Tetra
(Petitella georgiae).



Flake, micropellets, frozen foods such as mosquito larvae,
brineshrimp and daphnia.



Difficult. The water should be very soft (<4 degrees dH)
with a pH <6.0 (peat filtration is recommended) and with a temperature of 28
deg C. Spawning mops or clumps of Java moss should be placed on the bottom of
the tank to catch the eggs, and the tank should be kept in darkness to help
prevent the eggs from fungussing. The parents will predate on the eggs, so they
should be removed when spawning ceases. After 36 hours, the eggs will hatch and
the fry being so very tiny are notoriously difficult to feed. Infusoria is the
recommended first choice.