Can Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi) Live Together?
Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi) are not recommended as tank mates due to conflicting pH requirements. 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 Agassiz's Dwarf Cichlid 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
Agassiz's Dwarf Cichlid is a moderately assertive species (5/10), while Cardinal Shrimp (Sulawesi) is peaceful (0/10). This notable difference means Agassiz's Dwarf Cichlid may occasionally assert dominance over Cardinal Shrimp (Sulawesi).
Agassiz's Dwarf Cichlid 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.
Additional behavioural considerations to keep in mind: Shrimp eaters may also prey on very small nano fish.
Water Parameters
The safe temperature window for both species falls between 26°C and 29°C. Aim for the midpoint of this range (around 27.5°C) for optimal comfort.
The pH requirements of Agassiz's Dwarf Cichlid (4.5–7) and Cardinal Shrimp (Sulawesi) (7.5–8.5) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 4–8 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi) together, plan for an aquarium of at least 60 litres with a minimum length of 60 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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Densely covered, Established Algae (Otocinclus), Smooth Gravel (Sensitive Barbels). 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 Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi).
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
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Diet & Feeding
Feeding time deserves special attention with this pairing. Agassiz's Dwarf Cichlid is a known shrimp eater and may prey on small invertebrates or nano fish like Cardinal Shrimp (Sulawesi).
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Frequently Asked Questions
Can Agassiz's Dwarf Cichlid 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 Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi) need?
A minimum of 60 litres (tank length at least 60 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 Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi) together?
Keep the aquarium between 26°C and 29°C. A target of around 27.5°C sits comfortably within both species' preferred ranges.
Are Agassiz's Dwarf Cichlid or Cardinal Shrimp (Sulawesi) aggressive?
Agassiz's Dwarf Cichlid is moderately assertive (5/10) 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 Agassiz's Dwarf Cichlid and Cardinal Shrimp (Sulawesi) need?
Their pH requirements do not overlap. Agassiz's Dwarf Cichlid prefers 4.5–7, while Cardinal Shrimp (Sulawesi) needs 7.5–8.5. This makes them incompatible in the same water chemistry.
How do I manage Agassiz's Dwarf Cichlid's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Agassiz's Dwarf Cichlid 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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