
Rummynose tetra
Hemigrammus rhodostomus · Characidae
Also known as Firehead tetra
Intermediate
The tightest shoaler in the hobby; the red nose fades the moment water quality slips, so it doubles as a monitor.
In short: A rummynose tetra needs at least 90 L (24 US gal), water at 24–28 °C (75–82 °F) and pH 5.5–7. It is peaceful, best kept in groups of 8 or more, and rated intermediate to keep.
Updated
- Minimum tank
- 90 L (24 US gal)
- Temperature
- 24–28 °C (75–82 °F)
- pH
- 5.5–7
- Adult size
- 5 cm (2 in)
- Group size
- 8+
Care requirements
- Minimum tank volume
- 90 L (24 US gal)
- Temperature
- 24–28 °C (75–82 °F)
- pH
- 5.5–7
- Hardness
- 2–10 dGH
- Lifespan
- 5–8 years
- Diet
- Omnivore — flake, micro pellets, frozen bloodworm.
- Care level
- Intermediate
Origin & habitat
- Native region
- Lower Amazon, Brazil
- Water type
- Freshwater
- Biotope
- Clear and blackwater tributaries
- Natural conditions
- Soft, acidic, warm water with moderate flow.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 8 fish
- Swims
- Mid-water
- Good tank mates
- CorydorasAngelfishDiscusDwarf cichlids
- Avoid
- Tiger barbAggressive cichlids
Breeding & difficulty
- Breeding difficulty
- Advanced
- Sexing
- Females are fuller-bodied.
- Notes
- Needs very soft water and dim light; fry are tiny.
- Common ailments
- IchSensitivity to nitrate spikes
Will it fit your tank?
Sign in and AquaLog compares Rummynose tetra against every tank you track — volume, water type, temperature and pH — then adds it to your livestock in one tap.
Sign in to check my tanks


