Can Buccochromis lepturus and Long-Finned African Tetra Live Together?

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

Keeping Buccochromis lepturus and Long-Finned African Tetra together is possible but requires caution due to differing aggression levels. 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

Long-Finned African Tetra

Brycinus longipinnis

🐠Family Group
Buccochromis lepturus
Cichlids - African
Long-Finned African Tetra
Characins
Temperament
Buccochromis lepturus
Semi-Aggressive (6/10)
Long-Finned African Tetra
Peaceful (2/10)
Temperature
✓ Compatible
Buccochromis lepturus
24–28°C
Long-Finned African Tetra
22–26°C
pH Range
✓ Compatible
Buccochromis lepturus
7.5–8.8
Long-Finned African Tetra
6–8
Hardness (dGH)
✓ Compatible
Buccochromis lepturus
10–25
Long-Finned African Tetra
5–19
Water Type
✓ Compatible
Buccochromis lepturus
Freshwater Only
Long-Finned African Tetra
Freshwater Only
Flow Preference
✓ Compatible
Buccochromis lepturus
Moderate
Long-Finned African Tetra
High
Min Tank Volume
Combined: 560 L
Buccochromis lepturus
560 L
Long-Finned African Tetra
200 L
Swimming Level
Shared: 1 zone
Buccochromis lepturus
MiddleBottom
Long-Finned African Tetra
TopMiddle
🏷️Behavior Tags
Buccochromis lepturus
Piscivore (Eats small/nano fish)Fry PredatorHyperactive / Fast Swimmer
Long-Finned African Tetra
Hyperactive / Fast SwimmerJumper (Lid Required)Fry PredatorAggressive Eater (Starves shy fish)
Stocking calculator

Can your tank handle Buccochromis lepturus and Long-Finned African 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
Long-Finned African Tetra
Test both in my tank

Behaviour & Temperament

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

Buccochromis lepturus and Long-Finned African 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.

Worth noting: Long-Finned African 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 26°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.

Both fish can tolerate a pH between 7.5 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 10–19 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Buccochromis lepturus and Long-Finned African 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), Driftwood (Digestion/Hiding). 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 Long-Finned African 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 Long-Finned African Tetra.

Frequently Asked Questions

Can Buccochromis lepturus and Long-Finned African 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 Long-Finned African 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 Long-Finned African Tetra together?

Keep the aquarium between 24°C and 26°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Buccochromis lepturus or Long-Finned African Tetra aggressive?

Buccochromis lepturus is moderately assertive (6/10) and Long-Finned African 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 Long-Finned African Tetra need?

Both species overlap in the 7.5–8 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 6, 2026
Last updated
May 6, 2026
Issues or corrections?
Contact the editorial team

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