Can Pearl Eartheater and Pungas Catfish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Possible with Caution

Keeping Pearl Eartheater and Pungas Catfish together is possible but requires caution, though some care is needed. 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

Pearl Eartheater

Geophagus brasiliensis

Pungas Catfish

Pangasius pangasius

🐠Family Group
Pearl Eartheater
Cichlids - South American
Pungas Catfish
Catfish
Temperament
Pearl Eartheater
Semi-Aggressive (6/10)
Pungas Catfish
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Pearl Eartheater
20–28°C
Pungas Catfish
22–28°C
pH Range
✓ Compatible
Pearl Eartheater
6–8
Pungas Catfish
6.5–8
Hardness (dGH)
✓ Compatible
Pearl Eartheater
5–20
Pungas Catfish
5–20
Water Type
✓ Compatible
Pearl Eartheater
Brackish Tolerant
Pungas Catfish
Brackish Tolerant
Flow Preference
✓ Compatible
Pearl Eartheater
Moderate
Pungas Catfish
Moderate
Min Tank Volume
Combined: 5000 L
Pearl Eartheater
250 L
Pungas Catfish
5000 L
Swimming Level
Shared: 2 zones
Pearl Eartheater
BottomMiddle
Pungas Catfish
MiddleBottom
🏷️Behavior Tags
Pearl Eartheater
Digger (Disturbs Substrate)Plant DestroyerTerritorial (Defends specific area)Fry PredatorAggressive to same species/look-alikes
Pungas Catfish
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)Jumper (Lid Required)
Stocking calculator

Can your tank handle Pearl Eartheater and Pungas Catfish?

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.

Pearl Eartheater
Pungas Catfish
Test both in my tank

Behaviour & Temperament

Pearl Eartheater is a moderately assertive species (6/10), while Pungas Catfish is generally mild-mannered (3/10). This modest difference means Pearl Eartheater may occasionally assert dominance over Pungas Catfish.

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

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: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both Pearl Eartheater and Pungas Catfish to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.

Water Parameters

The safe temperature window for both species falls between 22°C and 28°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 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 5–20 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Pearl Eartheater and Pungas Catfish 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: Sand (Sifters), Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels). 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.

Why This Pairing Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Pearl Eartheater and Pungas Catfish need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Frequently Asked Questions

Can Pearl Eartheater and Pungas Catfish 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 Pearl Eartheater and Pungas Catfish 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 Pearl Eartheater and Pungas Catfish together?

Keep the aquarium between 22°C and 28°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Pearl Eartheater or Pungas Catfish aggressive?

Pearl Eartheater is moderately assertive (6/10) and Pungas Catfish is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Pearl Eartheater and Pungas Catfish need?

Both species overlap in the 6.5–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Pearl Eartheater's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Pearl Eartheater space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

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