Can Buccochromis lepturus and Congo Tetra Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Possible with Caution

Keeping Buccochromis lepturus and Congo Tetra together is possible but requires caution due to differing aggression levels and potential behavioral clashes. Provide a spacious tank of at least 560 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Buccochromis lepturus

Buccochromis lepturus

Congo Tetra

Phenacogrammus interruptus

🐠Family Group
Buccochromis lepturus
Cichlids - African
Congo Tetra
Characins
Temperament
Buccochromis lepturus
Semi-Aggressive (6/10)
Congo Tetra
Peaceful (2/10)
Temperature
✓ Compatible
Buccochromis lepturus
24–28°C
Congo Tetra
23–28°C
pH Range
✓ Compatible
Buccochromis lepturus
7.5–8.8
Congo Tetra
6–7.5
Hardness (dGH)
✓ Compatible
Buccochromis lepturus
10–25
Congo Tetra
3–18
Water Type
✓ Compatible
Buccochromis lepturus
Freshwater Only
Congo Tetra
Freshwater Only
Flow Preference
✓ Compatible
Buccochromis lepturus
Moderate
Congo Tetra
Moderate
Min Tank Volume
Combined: 560 L
Buccochromis lepturus
560 L
Congo Tetra
110 L
Swimming Level
Shared: 1 zone
Buccochromis lepturus
MiddleBottom
Congo Tetra
MiddleTop
🏷️Behavior Tags
Buccochromis lepturus
Piscivore (Eats small/nano fish)Fry PredatorHyperactive / Fast Swimmer
Congo Tetra
Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)Jumper (Lid Required)Fry Predator
Stocking calculator

Can your tank handle Buccochromis lepturus and Congo Tetra?

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.

Buccochromis lepturus
Congo Tetra
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Behaviour & Temperament

Buccochromis lepturus is a moderately assertive species (6/10), while Congo Tetra is peaceful (2/10). This notable difference means Buccochromis lepturus may occasionally assert dominance over Congo Tetra.

Buccochromis lepturus and Congo Tetra both frequent the 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.

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

Worth noting: Congo Tetra 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 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 7.5 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 10–18 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Buccochromis lepturus and Congo Tetra together, plan for an aquarium of at least 560 litres with a minimum length of 180 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), Plants - Densely covered, Plants - Floating. 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. Buccochromis lepturus and Congo Tetra 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 Buccochromis lepturus and Congo Tetra.

Frequently Asked Questions

Can Buccochromis lepturus and Congo Tetra live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 560 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Buccochromis lepturus and Congo Tetra need?

A minimum of 560 litres (tank length at least 180 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 Buccochromis lepturus and Congo Tetra together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Buccochromis lepturus or Congo Tetra aggressive?

Buccochromis lepturus is moderately assertive (6/10) and Congo Tetra is peaceful (2/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Buccochromis lepturus and Congo Tetra need?

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

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 3, 2026
Last updated
May 3, 2026
Issues or corrections?
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