Can Banjo Catfish and Freshwater Barracuda Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Possible with Caution

Keeping Banjo Catfish and Freshwater Barracuda together is possible but requires caution due to differing aggression levels. Provide a spacious tank of at least 250 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Banjo Catfish

Bunocephalus coracoideus

Freshwater Barracuda

Ctenolucius hujeta

🐠Family Group
Banjo Catfish
Catfish
Freshwater Barracuda
Characins
Temperament
Banjo Catfish
Peaceful (1/10)
Freshwater Barracuda
Semi-Aggressive (6/10)
Temperature
✓ Compatible
Banjo Catfish
20–28°C
Freshwater Barracuda
22–28°C
pH Range
✓ Compatible
Banjo Catfish
6–8
Freshwater Barracuda
6–7.5
Hardness (dGH)
✓ Compatible
Banjo Catfish
2–20
Freshwater Barracuda
5–15
Water Type
✓ Compatible
Banjo Catfish
Freshwater Only
Freshwater Barracuda
Freshwater Only
Flow Preference
✓ Compatible
Banjo Catfish
Low
Freshwater Barracuda
Moderate
Min Tank Volume
Combined: 250 L
Banjo Catfish
60 L
Freshwater Barracuda
250 L
Swimming Level
✓ Different zones
Banjo Catfish
Bottom
Freshwater Barracuda
Top
🏷️Behavior Tags
Banjo Catfish
NocturnalShy / Slow Moving (Easily Stressed)Digger (Disturbs Substrate)Shrimp EaterFry Predator
Freshwater Barracuda
Piscivore (Eats small/nano fish)Jumper (Lid Required)Shy / Slow Moving (Easily Stressed)
Stocking calculator

Can your tank handle Banjo Catfish and Freshwater Barracuda?

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.

Banjo Catfish
Freshwater Barracuda
Test both in my tank

Behaviour & Temperament

Banjo Catfish is a peaceful species (1/10), while Freshwater Barracuda is moderately assertive (6/10). This notable difference means Freshwater Barracuda may occasionally assert dominance over Banjo Catfish.

In terms of spatial distribution, Banjo Catfish prefers the Bottom (Substrate) zone, whereas Freshwater Barracuda occupies the Top (Surface) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Worth noting: Banjo Catfish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Freshwater Barracuda 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 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 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Banjo Catfish and Freshwater Barracuda together, plan for an aquarium of at least 250 litres with a minimum length of 120 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), Leaf Litter/Blackwater, Plants - Floating. Meeting these requirements will help both species thrive.

Both species do well with low (still water) 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. Banjo Catfish and Freshwater Barracuda 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Banjo Catfish and Freshwater Barracuda.

Show 1 more tank size

Frequently Asked Questions

Can Banjo Catfish and Freshwater Barracuda live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 250 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Banjo Catfish and Freshwater Barracuda need?

A minimum of 250 litres (tank length at least 120 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 Banjo Catfish and Freshwater Barracuda 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 Banjo Catfish or Freshwater Barracuda aggressive?

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

What pH do Banjo Catfish and Freshwater Barracuda need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Banjo Catfish being nocturnal affect compatibility?

Banjo 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 Banjo Catfish during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 6, 2026
Last updated
May 6, 2026
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