Can African Lungfish and Cardinal Shrimp (Sulawesi) Live Together?
African Lungfish and Cardinal Shrimp (Sulawesi) 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
Can your tank handle African Lungfish and Cardinal Shrimp (Sulawesi)?
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.
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Behaviour & Temperament
African Lungfish is a highly aggressive species (10/10), while Cardinal Shrimp (Sulawesi) is peaceful (0/10). This notable difference means African Lungfish may occasionally assert dominance over Cardinal Shrimp (Sulawesi).
Large aggression gap (10 points) between African Lungfish and Cardinal Shrimp (Sulawesi) increases stress risk for the more peaceful fish.
African Lungfish and Cardinal Shrimp (Sulawesi) both frequent the Bottom (Substrate) 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..
Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species.
Worth noting: African Lungfish is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 26°C and 30°C. Aim for the midpoint of this range (around 28.0°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 5–8 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house African Lungfish and Cardinal Shrimp (Sulawesi) together, plan for an aquarium of at least 680 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), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Established Algae (Otocinclus). 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.
Suitable Tank Sizes
Standard aquarium sizes large enough for both African Lungfish and Cardinal Shrimp (Sulawesi).
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Frequently Asked Questions
Can African Lungfish and Cardinal Shrimp (Sulawesi) live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do African Lungfish and Cardinal Shrimp (Sulawesi) need?
A minimum of 680 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 African Lungfish and Cardinal Shrimp (Sulawesi) together?
Keep the aquarium between 26°C and 30°C. A target of around 28.0°C sits comfortably within both species' preferred ranges.
Are African Lungfish or Cardinal Shrimp (Sulawesi) aggressive?
African Lungfish is highly aggressive (10/10) and Cardinal Shrimp (Sulawesi) is peaceful (0/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do African Lungfish and Cardinal Shrimp (Sulawesi) 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.
How do I manage African Lungfish's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives African Lungfish 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.
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