Can Afra Cichlid and Silver Hatchetfish Live Together?
Afra Cichlid and Silver Hatchetfish 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 Afra Cichlid and Silver Hatchetfish?
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.
Behaviour & Temperament
Afra Cichlid is a semi-aggressive species (8/10), while Silver Hatchetfish is peaceful (1/10). This notable difference means Afra Cichlid may occasionally assert dominance over Silver Hatchetfish.
Large aggression gap (7 points) between Afra Cichlid and Silver Hatchetfish increases stress risk for the more peaceful fish.
In terms of spatial distribution, Afra Cichlid prefers the Middle (Open Water) and Bottom (Substrate) zones, whereas Silver Hatchetfish occupies the Top (Surface) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.
Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species. Hyperactive swimmers can stress shy, slow-moving species through constant motion.
Worth noting: Silver Hatchetfish is a known jumper, so a tight-fitting lid is essential.
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.
The pH requirements of Afra Cichlid (7.6–8.6) and Silver Hatchetfish (6–7.5) do not overlap, making it impossible to satisfy both species simultaneously.
For general hardness, the shared comfort zone is 10–12 dGH. Regular testing will ensure conditions stay within this range.
Tank Setup
To house Afra Cichlid and Silver Hatchetfish together, plan for an aquarium of at least 258 litres with a minimum length of 120 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), Established Algae (Otocinclus), 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 Usually Fails in Practice
Afra Cichlid and Silver Hatchetfish 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 Afra Cichlid and Silver Hatchetfish.
75 Gallon Standard
90 Gallon Standard
125 Gallon Standard
150 Gallon High
180 Gallon Standard
350 Liter (120cm Deep)
Show 1 more tank size
Frequently Asked Questions
Can Afra Cichlid and Silver Hatchetfish live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do Afra Cichlid and Silver Hatchetfish need?
A minimum of 258 litres (tank length at least 120 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 Afra Cichlid and Silver Hatchetfish 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 Afra Cichlid or Silver Hatchetfish aggressive?
Afra Cichlid is semi-aggressive (8/10) and Silver Hatchetfish is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Afra Cichlid and Silver Hatchetfish need?
Their pH requirements do not overlap. Afra Cichlid prefers 7.6–8.6, while Silver Hatchetfish needs 6–7.5. This makes them incompatible in the same water chemistry.
How do I manage Afra Cichlid's territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Afra 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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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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