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.
- Minimum tank
- 90 L
- Temperature
- 24–28 °C
- pH
- 5.5–7
- Adult size
- 5 cm
- Group size
- 8+
Will it fit your tank?
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Sign in to check my tanksCare requirements
- Minimum tank volume
- 90 L
- Temperature
- 24–28 °C
- 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
