Can Achara Catfish and Golden Dwarf Barb Live Together?

Not Recommended

Achara Catfish and Golden Dwarf Barb are not recommended as tank mates due to piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Achara Catfish

Leiarius marmoratus

Golden Dwarf Barb

Pethia gelius

🐠Family Group
Achara Catfish
Catfish
Golden Dwarf Barb
Cyprinids
Temperament
Achara Catfish
Semi-Aggressive (6/10)
Golden Dwarf Barb
Peaceful (1/10)
Temperature
✓ Compatible
Achara Catfish
22–28°C
Golden Dwarf Barb
20–25°C
pH Range
✓ Compatible
Achara Catfish
6–7.5
Golden Dwarf Barb
6–7
Hardness (dGH)
✓ Compatible
Achara Catfish
4–15
Golden Dwarf Barb
4–15
Water Type
✓ Compatible
Achara Catfish
Freshwater Only
Golden Dwarf Barb
Freshwater Only
Flow Preference
✓ Compatible
Achara Catfish
Moderate
Golden Dwarf Barb
Low
Min Tank Volume
Combined: 1500 L
Achara Catfish
1500 L
Golden Dwarf Barb
40 L
Swimming Level
Shared: 1 zone
Achara Catfish
Bottom
Golden Dwarf Barb
MiddleBottom
🏷️Behavior Tags
Achara Catfish
Piscivore (Eats small/nano fish)NocturnalShrimp EaterFry PredatorDigger (Disturbs Substrate)
Golden Dwarf Barb
Nano / Bite-sized (Predation Risk)Shy / Slow Moving (Easily Stressed)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Achara Catfish and Golden Dwarf Barb?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Achara Catfish
Golden Dwarf Barb
Test both in my tank

Behaviour & Temperament

Achara Catfish is a moderately assertive species (6/10), while Golden Dwarf Barb is peaceful (1/10). This notable difference means Achara Catfish may occasionally assert dominance over Golden Dwarf Barb.

Achara Catfish and Golden Dwarf Barb both frequent the 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.

There is a critical concern: the Piscivore (Eats small/nano fish) behaviour of one fish directly conflicts with the Nano / Bite-sized (Predation Risk) trait of the other — piscivorous fish will prey on nano-sized tank mates..

Additional behavioural considerations to keep in mind: Shrimp eaters may also prey on very small nano fish.

Worth noting: Achara Catfish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

Water Parameters

The safe temperature window for both species falls between 22°C and 25°C. Aim for the midpoint of this range (around 23.5°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 4–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Achara Catfish and Golden Dwarf Barb together, plan for an aquarium of at least 1500 litres with a minimum length of 240 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

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: Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Plants - Densely covered. Meeting these requirements will help both species thrive.

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

Diet & Feeding

Feeding time deserves special attention with this pairing. Achara Catfish is a known shrimp eater and may prey on small invertebrates or nano fish like Golden Dwarf Barb.

Frequently Asked Questions

Can Achara Catfish and Golden Dwarf Barb live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Achara Catfish and Golden Dwarf Barb need?

A minimum of 1500 litres (tank length at least 240 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 Achara Catfish and Golden Dwarf Barb together?

Keep the aquarium between 22°C and 25°C. A target of around 23.5°C sits comfortably within both species' preferred ranges.

Are Achara Catfish or Golden Dwarf Barb aggressive?

Achara Catfish is moderately assertive (6/10) and Golden Dwarf Barb is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Achara Catfish and Golden Dwarf Barb need?

Both species overlap in the 6–7 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Achara Catfish being nocturnal affect compatibility?

Achara Catfish is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Achara Catfish during evening hours.


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