Congo tetra
Phenacogrammus interruptus · Alestidae
Also known as Congo
Intermediate
Big, iridescent and flowing-finned; needs a long tank and calm tank mates.
In short: A Congo tetra needs at least 190 L (50 US gal), water at 23–28 °C (73–82 °F) and pH 6–7.5. It is peaceful, best kept in groups of 6 or more, and rated intermediate to keep.
- Minimum tank
- 190 L (50 US gal)
- Temperature
- 23–28 °C (73–82 °F)
- pH
- 6–7.5
- Adult size
- 8 cm (3.1 in)
- Group size
- 6+
Care requirements
- Minimum tank volume
- 190 L (50 US gal)
- Temperature
- 23–28 °C (73–82 °F)
- pH
- 6–7.5
- Hardness
- 3–18 dGH
- Lifespan
- 3–5 years
- Diet
- Omnivore — flake, pellets, frozen bloodworm, veg matter.
- Care level
- Intermediate
Origin & habitat
- Native region
- Congo River basin
- Water type
- Freshwater
- Biotope
- Shaded river margins
- Natural conditions
- Soft, slightly acidic, dim water with open swimming space.
Behaviour & stocking
- Temperament
- Peaceful
- Minimum group
- 6 fish
- Swims
- Mid-water
- Good tank mates
- AngelfishCorydorasBristlenose pleco
- Avoid
- Fin nippersAggressive cichlids
Breeding & difficulty
- Breeding difficulty
- Intermediate
- Sexing
- Males are larger with extended fin filaments.
- Notes
- Scatters eggs at dawn; fry are light-sensitive.
- Common ailments
- IchFin nipping damage
Will it fit your tank?
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