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Maximum size : 3 - 6 cm

Rummy Nose Tetra - Hemigrammus rhodostomus : Complete Fish Profile & Care Guide

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The Rummy Nose Tetra (Hemigrammus rhodostomus) boasts a captivating torpedo-shaped body with a translucent silvery hue and a subtle greenish tint. At the junction where the fontanel meets the body, shimmering green scales are often visible. A strikingly vibrant red nose enhances their allure, while the tail features a zebra-like pattern of black and white horizontal stripes. As a shoaling species, Rummy-nose Tetras thrive in groups of six or more, creating a visually stunning display in the aquarium. Exhibiting a peaceful demeanor, these fish are capable of tolerating slightly higher temperatures but are sensitive to changes in water parameters, necessitating careful monitoring. They coexist harmoniously with other community fish, provided they are neither aggressive nor predatory. To accommodate their needs, ensure that the aquarium includes hiding places and plants where they can seek refuge in times of stress.

Rummy Nose Tetra Photos

Sexual Dimorphism

Determining the sex of Rummy Nose Tetra individuals can be challenging due to the absence of apparent distinguishing features. However, it has been suggested that females may possess a marginally larger body size compared to males.
Featured Male
Featured Female
Male Female

Quick Facts

Scientific NameHemigrammus rhodostomus
Year Described1924
Other Names
OriginsBrazil Peru
Max Size3 - 6 cm
Aquarium LevelMiddle
DifficultyBeginner - Intermediate
Best kept asGroups 6+
Lifespan4 - 8 years

Water Parameters

Water TypeFreshwater
PH6.5 - 7.5
GH2 - 15
75 - 81
23.9 - 27.2

Natural habitat

The Rummynose Tetra is a stunning species that originates from the blackwaters close to the Atlantic coastline of the Amazon River in South America. These beautiful fish thrive in the soft, acidic waters that are rich in humic acid decay from leaf litter, which carpets the soft sandy riverbed substrate. Their natural habitat is dotted with rocks, caves, and an abundance of planted areas, providing ample shade and an abundance of food sources. These intricate environments support the growth and development of the Rummynose Tetra, allowing them to thrive in the wild. From their vibrant colouration to their unique environmental requirements, the Rummynose Tetra is truly a fascinating creature that showcases the diverse beauty of aquatic life. Whether you are a seasoned aquarist or a newcomer to the world of fishkeeping, these charming fish are sure to delight and captivate your imagination.

How to breed the Rummy Nose Tetra

The primary challenge in breeding Rummy Nose Tetras lies in ensuring an appropriate mix of males and females, given the difficulty in distinguishing their sexes. Often, this process involves trial and error. To promote breeding, the aquarium's water conditions must be carefully maintained. Raise the tank's temperature to approximately 84 degrees Fahrenheit, which should stimulate spawning. Effective filtration is crucial, as these fish are sensitive and will not spawn in polluted water. The breeding process occurs around plants, so it is essential to include an ample amount in the aquarium. The female Rummy Nose Tetra will approach a leaf, flip over, and allow the male to fertilize the eggs. She will then release several large eggs. At this point, it is vital to separate the adult fish from the eggs to prevent predation. The eggs will hatch within 24 hours, but the fry will not become free-swimming for about six days.

Diet & feeding

Incorporate pellets or flakes as the primary component of the Rummy Nose Tetras diet, as these provide the necessary nutrients for their well-being. Additionally, supplement their diet with occasional treats once or twice a week. Both frozen and live foods serve as excellent sources of protein; consider options such as bloodworms and daphnia. Moreover, any remaining green vegetables can be introduced to the aquarium, provided they are chopped into small pieces.

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