Can Buccochromis lepturus and Rosy Finned Tetra Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Buccochromis lepturus and Rosy Finned Tetra are not recommended as tank mates due to piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Buccochromis lepturus

Buccochromis lepturus

Rosy Finned Tetra

Hyphessobrycon rosaceus

🐠Family Group
Buccochromis lepturus
Cichlids - African
Rosy Finned Tetra
Characins
Temperament
Buccochromis lepturus
Semi-Aggressive (6/10)
Rosy Finned Tetra
Peaceful (1/10)
Temperature
✓ Compatible
Buccochromis lepturus
24–28°C
Rosy Finned Tetra
24–28°C
pH Range
✓ Compatible
Buccochromis lepturus
7.5–8.8
Rosy Finned Tetra
5.5–7.5
Hardness (dGH)
✓ Compatible
Buccochromis lepturus
10–25
Rosy Finned Tetra
1–12
Water Type
✓ Compatible
Buccochromis lepturus
Freshwater Only
Rosy Finned Tetra
Freshwater Only
Flow Preference
✓ Compatible
Buccochromis lepturus
Moderate
Rosy Finned Tetra
Moderate
Min Tank Volume
Combined: 560 L
Buccochromis lepturus
560 L
Rosy Finned Tetra
60 L
Swimming Level
Shared: 1 zone
Buccochromis lepturus
MiddleBottom
Rosy Finned Tetra
Middle
🏷️Behavior Tags
Buccochromis lepturus
Piscivore (Eats small/nano fish)Fry PredatorHyperactive / Fast Swimmer
Rosy Finned Tetra
Nano / Bite-sized (Predation Risk)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Buccochromis lepturus and Rosy Finned 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
Rosy Finned Tetra
Test both in my tank

Behaviour & Temperament

Buccochromis lepturus is a moderately assertive species (6/10), while Rosy Finned Tetra is peaceful (1/10). This notable difference means Buccochromis lepturus may occasionally assert dominance over Rosy Finned Tetra.

Buccochromis lepturus and Rosy Finned 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.

There is a critical concern: the Piscivore (Eats small/nano fish) behaviour of one fish directly conflicts with the Nano / Bite-sized (Predation Risk) trait of the other — piscivorous fish will prey on nano-sized tank mates..

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 10–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Buccochromis lepturus and Rosy Finned 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.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Sand (Sifters), Plants - Densely covered, Leaf Litter/Blackwater. 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 Usually Fails in Practice

Buccochromis lepturus and Rosy Finned Tetra are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Buccochromis lepturus and Rosy Finned Tetra.

Frequently Asked Questions

Can Buccochromis lepturus and Rosy Finned Tetra live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Buccochromis lepturus and Rosy Finned 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 Rosy Finned 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 Rosy Finned Tetra aggressive?

Buccochromis lepturus is moderately assertive (6/10) and Rosy Finned Tetra is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Buccochromis lepturus and Rosy Finned 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons

Buccochromis lepturus & Afra Cichlid

·

Possible with Caution
Buccochromis lepturus: PeacefulAfra Cichlid: Peaceful

Buccochromis lepturus & African Jewel Cichlid

·

Possible with Caution
Buccochromis lepturus: PeacefulAfrican Jewel Cichlid: Peaceful

Buccochromis lepturus & Altolamprologus Calvus

·

Possible with Caution
Buccochromis lepturus: PeacefulAltolamprologus Calvus: Peaceful

Buccochromis lepturus & Altolamprologus Compressiceps

·

Possible with Caution
Buccochromis lepturus: PeacefulAltolamprologus Compressiceps: Peaceful

Buccochromis lepturus & Aurora Yellow Mbuna

·

Possible with Caution
Buccochromis lepturus: PeacefulAurora Yellow Mbuna: Peaceful

Buccochromis lepturus & Black Diamond Cichlid

·

Possible with Caution
Buccochromis lepturus: PeacefulBlack Diamond Cichlid: Peaceful

Rosy Finned Tetra & Black Neon Tetra

·

Ideal Tank Mates
Rosy Finned Tetra: PeacefulBlack Neon Tetra: Peaceful

Rosy Finned Tetra & Bleeding Heart Tetra

·

Ideal Tank Mates
Rosy Finned Tetra: PeacefulBleeding Heart Tetra: Peaceful

Rosy Finned Tetra & Bloodfin Tetra

·

Ideal Tank Mates
Rosy Finned Tetra: PeacefulBloodfin Tetra: Peaceful

Rosy Finned Tetra & Blue Emperor Tetra

·

Ideal Tank Mates
Rosy Finned Tetra: PeacefulBlue Emperor Tetra: Peaceful

Rosy Finned Tetra & Brilliant Rummy-Nose Tetra

·

Ideal Tank Mates
Rosy Finned Tetra: PeacefulBrilliant Rummy-Nose Tetra: Peaceful

Rosy Finned Tetra & Congo Tetra

·

Possible with Caution
Rosy Finned Tetra: PeacefulCongo Tetra: Peaceful