Can African Dwarf Frog and Walking Catfish (Clarias) Live Together?
African Dwarf Frog and Walking Catfish (Clarias) 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 Dwarf Frog and Walking Catfish (Clarias)?
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 Dwarf Frog is a peaceful species (1/10), while Walking Catfish (Clarias) is semi-aggressive (8/10). This notable difference means Walking Catfish (Clarias) may occasionally assert dominance over African Dwarf Frog.
Large aggression gap (7 points) between African Dwarf Frog and Walking Catfish (Clarias) increases stress risk for the more peaceful fish.
African Dwarf Frog and Walking Catfish (Clarias) 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 Nano / Bite-sized (Predation Risk) behaviour of one fish directly conflicts with the Piscivore (Eats small/nano fish) 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 Dwarf Frog is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, African Dwarf Frog is a known jumper, so a tight-fitting lid is essential.
Water Parameters
The safe temperature window for both species falls between 22°C and 27°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.
Both fish can tolerate a pH between 6.5 and 7.8. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 5–15 dGH. Regular testing will ensure conditions stay within this range.
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Tank Setup
To house African Dwarf Frog and Walking Catfish (Clarias) together, plan for an aquarium of at least 750 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: Smooth Gravel (Sensitive Barbels), Sand (Sifters), Plants - Densely covered. 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.
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Frequently Asked Questions
Can African Dwarf Frog and Walking Catfish (Clarias) live together?
No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.
What size tank do African Dwarf Frog and Walking Catfish (Clarias) need?
A minimum of 750 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 Dwarf Frog and Walking Catfish (Clarias) together?
Keep the aquarium between 22°C and 27°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.
Are African Dwarf Frog or Walking Catfish (Clarias) aggressive?
African Dwarf Frog is peaceful (1/10) and Walking Catfish (Clarias) is semi-aggressive (8/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do African Dwarf Frog and Walking Catfish (Clarias) need?
Both species overlap in the 6.5–7.8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
Does African Dwarf Frog being nocturnal affect compatibility?
African Dwarf Frog is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches African Dwarf Frog during evening hours.
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