Can Pungas Catfish and Twig Catfish (Farlowella) Live Together?

Possible with Caution

Keeping Pungas Catfish and Twig Catfish (Farlowella) together is possible but requires caution due to potential behavioral clashes. Provide a spacious tank of at least 5000 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Pungas Catfish

Pangasius pangasius

Twig Catfish (Farlowella)

Farlowella acus

🐟Family Group
Pungas Catfish
Catfish
Twig Catfish (Farlowella)
Catfish
Temperament
Pungas Catfish
Mostly Peaceful (3/10)
Twig Catfish (Farlowella)
Peaceful (1/10)
Temperature
✓ Compatible
Pungas Catfish
22–28°C
Twig Catfish (Farlowella)
23–26°C
pH Range
✓ Compatible
Pungas Catfish
6.5–8
Twig Catfish (Farlowella)
6–7.2
Hardness (dGH)
✓ Compatible
Pungas Catfish
5–20
Twig Catfish (Farlowella)
3–10
Water Type
✓ Compatible
Pungas Catfish
Brackish Tolerant
Twig Catfish (Farlowella)
Freshwater Only
Flow Preference
✓ Compatible
Pungas Catfish
Moderate
Twig Catfish (Farlowella)
Moderate
Min Tank Volume
Combined: 5000 L
Pungas Catfish
5000 L
Twig Catfish (Farlowella)
110 L
Swimming Level
Shared: 2 zones
Pungas Catfish
MiddleBottom
Twig Catfish (Farlowella)
MiddleBottom
🏷️Behavior Tags
Pungas Catfish
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)Jumper (Lid Required)
Twig Catfish (Farlowella)
Shy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Pungas Catfish and Twig Catfish (Farlowella)?

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.

Pungas Catfish
Twig Catfish (Farlowella)
Test both in my tank

Behaviour & Temperament

Pungas Catfish is a generally mild-mannered species (3/10), while Twig Catfish (Farlowella) is peaceful (1/10). This modest difference means Pungas Catfish may occasionally assert dominance over Twig Catfish (Farlowella).

Pungas Catfish and Twig Catfish (Farlowella) 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Worth noting: Pungas Catfish is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat.

Water Parameters

The safe temperature window for both species falls between 23°C and 26°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 and 7.2. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Pungas Catfish and Twig Catfish (Farlowella) together, plan for an aquarium of at least 5000 litres with a minimum length of 450 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Smooth Gravel (Sensitive Barbels), Sand (Sifters), Driftwood (Digestion/Hiding), Established Algae (Otocinclus). 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.

Frequently Asked Questions

Can Pungas Catfish and Twig Catfish (Farlowella) live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 5000 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Pungas Catfish and Twig Catfish (Farlowella) need?

A minimum of 5000 litres (tank length at least 450 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 Pungas Catfish and Twig Catfish (Farlowella) together?

Keep the aquarium between 23°C and 26°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.

Are Pungas Catfish or Twig Catfish (Farlowella) aggressive?

Pungas Catfish is generally mild-mannered (3/10) and Twig Catfish (Farlowella) is peaceful (1/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Pungas Catfish and Twig Catfish (Farlowella) need?

Both species overlap in the 6.5–7.2 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.


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