Can Gold Barb and Scat (Brackish) Live Together?

🔴Not Recommended

Gold Barb and Scat (Brackish) are not recommended as tank mates due to incompatible water types. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Gold Barb

Barbodes semifasciolatus

Scat (Brackish)

Scatophagus argus

🐠Family Group
Gold Barb
Cyprinids
Scat (Brackish)
Oddballs
Temperament
Gold Barb
Peaceful (2/10)
Scat (Brackish)
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Gold Barb
16–24°C
Scat (Brackish)
20–28°C
pH Range
✓ Compatible
Gold Barb
6–8
Scat (Brackish)
7.5–8.5
Hardness (dGH)
✓ Compatible
Gold Barb
2–20
Scat (Brackish)
12–30
Water Type
✗ No overlap
Gold Barb
Freshwater Only
Scat (Brackish)
Brackish Required
Flow Preference
✓ Compatible
Gold Barb
Moderate
Scat (Brackish)
High
Min Tank Volume
Combined: 540 L
Gold Barb
75 L
Scat (Brackish)
450 L
Swimming Level
Shared: 2 zones
Gold Barb
MiddleBottom
Scat (Brackish)
MiddleBottom
🏷️Behavior Tags
Gold Barb
Hyperactive / Fast SwimmerFry Predator
Scat (Brackish)
Plant DestroyerHyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Fin Nipper

Behaviour & Temperament

Gold Barb is a peaceful species (2/10), while Scat (Brackish) is generally mild-mannered (4/10). This modest difference means Scat (Brackish) may occasionally assert dominance over Gold Barb.

Gold Barb and Scat (Brackish) both frequent the Middle (Open Water) and Bottom (Substrate) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Water Parameters

The safe temperature window for both species falls between 20°C and 24°C. Aim for the midpoint of this range (around 22.0°C) for optimal comfort.

Both fish can tolerate a pH between 7.5 and 8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 12–20 dGH. Regular testing will ensure conditions stay within this range.

Crucially, these species require different water types — one needs freshwater while the other requires brackish conditions. This is a hard barrier to keeping them together. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Gold Barb and Scat (Brackish) together, plan for an aquarium of at least 540 litres with a minimum length of 150 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Plants - Densely covered, Sand (Sifters), Smooth Gravel (Sensitive Barbels), Established Algae (Otocinclus). Meeting these requirements will help both species thrive.

Note a potential conflict in setup requirements: Scat (Brackish) is a plant destroyer, which conflicts with Gold Barb's requirement for live plants. Compromise where possible or prioritise the more critical need.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

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Frequently Asked Questions

Can Gold Barb and Scat (Brackish) live together?

No. This combination is not recommended. Key incompatibilities — such as different water type needs — make cohabitation unsafe.

What size tank do Gold Barb and Scat (Brackish) need?

A minimum of 540 litres (tank length at least 150 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Gold Barb and Scat (Brackish) together?

Keep the aquarium between 20°C and 24°C. A target of around 22.0°C sits comfortably within both species' preferred ranges.

Are Gold Barb or Scat (Brackish) aggressive?

Gold Barb is peaceful (2/10) and Scat (Brackish) is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Gold Barb and Scat (Brackish) need?

Both species overlap in the 7.5–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Scat (Brackish) nip Gold Barb's fins?

Scat (Brackish) is a known fin nipper. If Gold Barb has long or flowing fins, there is a real risk of fin damage. Keeping Scat (Brackish) in a larger group can help redirect nipping behaviour toward conspecifics.


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