Argentine Humphead
Gymnogeophagus balzanii
Argentine Humphead is a all-zone swimmer.
Save this fish or add it directly to one of your aquariums.
Need help with Argentine Humphead?
Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Quick facts
- Adult size
- ≤ 7.9" (≤ 20 cm)
- Aquarium size
- 79 US gal (300 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Care level
- Intermediate
- Temperament
- Semi-Aggressive
- Swimming zone
- All-zone swimmer
- Temperature
- 70–77°F (21–25°C)
- pH
- 6.5–7.5
- GH
- 5–15 dGH
- Diet
- Omnivore
- Lifespan
- up to 8 years
Care requirements
Care level: Intermediate.
Lifespan: up to 8 years.
Aquarium size and space needs
Minimum aquarium size: 79 US gal (300 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 21–25 °C, pH 6.5–7.5, GH 5–15 dGH.
Temperament and compatibility
Argentine Humphead needs careful companion choice because it can be territorial or semi-aggressive.
Swimming zone and behavior
This fish uses multiple areas of the aquarium, so leave enough open swimming space for movement and feeding.
Feeding
As an omnivore, Argentine Humphead should receive a varied diet rather than one repeated food type.
Provide varied high-quality sinking pellets and small live/frozen foods that can be sifted from sand; avoid competition at a single feeding station.
Before adding this fish
- Plan for an aquarium of 79 US gal (300 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.
- Choose other fish carefully around this temperament.
- Offer a varied diet suited to this species’ documented feeding habits.
Natural habitat and origin
Origin: Argentina, Brazil, Paraguay, Uruguay.
Breeding notes
Provide seasonal cooling around 16–18 C for three to four months; 21–25 C is the warmer maintenance period, not a constant year-round target.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Argentine Humphead get?
Argentine Humphead reaches ≤ 7.9" (≤ 20 cm). Allow for adult swimming space, filtration, and compatible companions.
What aquarium size does Argentine Humphead need?
Use an aquarium of at least 79 US gal (300 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length.
Is Argentine Humphead peaceful?
Argentine Humphead needs more careful companion choice because the temperament data points toward boundaries, space, or similar-sized fish.
What temperature is suitable for Argentine Humphead?
Keep it between 21 to 25 °C.
