Moderate
Featherfin Synodontis (Synodontis eupterus)
22–27°C · pH 6–7.5 · 300L
£6.99
Cuckoo Catfish (Synodontis multipunctatus), a spotted Lake Tanganyika synodontis for hard, alkaline African aquariums with rockwork and robust tank mates.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Synodontis multipunctatus
Cuckoo Catfish are a shoaling species — they need 6+ to feel safe and show their full colour.
Cuckoo Catfish (Synodontis multipunctatus), a spotted Lake Tanganyika synodontis for hard, alkaline African aquariums with rockwork and robust tank mates.
Adult size is the maximum length this species reaches at full maturity (scientific sources). The livestock you receive will be younger and smaller — pick a size variant above for the actual shipping size. Photos are AI-enhanced, so the animal may show subtle colour or marking differences.
Maintain these water conditions for optimal health and vibrant colors
The Cuckoo Catfish (Synodontis multipunctatus) is a social Lake Tanganyika synodontis with bold spots, white-edged dark fins and a famous brood-parasitic breeding strategy. This listing covers the 2.5-3 cm starter size, with larger sibling variants on the same product for keepers who want a bigger group or a more established bottom-dweller.
It is best planned as an active African catfish for hard, alkaline aquariums rather than a soft-water community catfish. Kept in a group with rockwork, open floor space and robust tank mates, it becomes a confident dusk-and-night forager that suits Tanganyikan and many hard-water African cichlid layouts.
| Care point | Recommended range | Why it matters |
|---|---|---|
| Adult planning size | 15 cm commonly planned; up to around 27 cm maximum recorded | Buy for the adult fish, not only the juvenile size supplied today. |
| Aquarium size | 250 litres minimum for a group; larger is better with cichlids | They are active, social and need floor space plus secure retreats. |
| Temperature | 23-27 C | Stable tropical Tanganyikan conditions suit long-term health. |
| pH and hardness | Hard, alkaline water around pH 7.5-8.5 | Matches Lake Tanganyika-style mineral-rich setups. |
| Temperament | Active, social, semi-aggressive with small prey risk | Choose robust tank mates and avoid tiny or timid fish. |
Cuckoo Catfish have a pale cream, tan or golden body scattered with dark spots. The pattern is strongest across the body and fins, giving each fish a distinct spotted look. The dorsal, pectoral and caudal fins are usually darker with pale edging, and the long barbels are used constantly while the fish searches through rock gaps and across the substrate.
The pectoral and dorsal spines can catch in coarse nets, so move this species with care. A rigid container or soft, fine net reduces stress and avoids damage to the fins and barbels.
Synodontis multipunctatus is a Lake Tanganyika species from East Africa. FishBase records it from muddy lake bottoms down to significant depth, feeding on benthic foods including snails and other bottom-living invertebrates. In aquariums, this translates into a fish that appreciates clean, oxygen-rich water, stable mineral content, caves, rock piles and open areas for night-time foraging.
The species is also famous for cuckoo-style breeding. It can scatter eggs during the spawning of mouthbrooding cichlids, and the host cichlid may collect the catfish eggs with its own. This behaviour is fascinating, but it also means breeding cichlids may lose broods in a mixed Tanganyikan setup.
This is a good choice for keepers who enjoy African cichlid aquariums and want a bottom-dwelling fish with real behaviour, not just a cleaner. The species is often sold while small, but it should be treated as a long-term catfish for a mature aquarium with room to grow, enough cover for a group and tank mates that will not be intimidated by active night movement.
It is not a first choice for small peaceful community tanks. If your aquarium is soft, acidic, heavily planted for small tetras, or stocked with delicate bottom fish, choose a gentler catfish instead. If your tank is hard, alkaline, rocky and built around robust fish, the Cuckoo Catfish can be one of the most interesting species in the aquarium.
Build the aquarium around stable rocks, caves and shaded retreats, leaving enough open substrate for the group to move and feed. Fine sand or smooth gravel helps protect the barbels. Secure all rockwork before adding the fish, because synodontis catfish squeeze into narrow spaces and can undermine unstable structures while foraging.
Use strong biological filtration, good oxygenation and regular water changes. Keep nitrate under control, especially in cichlid aquariums where feeding can be heavy. Subdued lighting, overhangs and dusk feeding help the fish show more natural activity.
| Area | Best practice | Avoid |
|---|---|---|
| Substrate | Fine sand or smooth rounded gravel | Sharp gravel that can damage barbels |
| Decor | Rock caves, overhangs, shaded retreats and open floor space | Loose rock piles or cramped layouts |
| Filtration | Strong biological filtration with moderate flow and high oxygen | Dirty, low-oxygen tanks or skipped water changes |
| Lighting | Moderate to subdued, with shaded zones | Bright bare tanks with no cover |
Cuckoo Catfish are omnivorous benthic feeders. Offer sinking carnivore pellets, quality catfish tablets, cichlid pellets that reach the bottom, frozen bloodworm, mysis, brine shrimp and occasional vegetable-based foods. Feed after the lights dim if faster cichlids take all food before it reaches the substrate.
A varied diet helps maintain condition and encourages natural foraging. Do not rely only on leftovers. These fish are scavengers, but they still need planned feeding in the correct part of the tank.
This species is usually more confident in a group. Keep at least three where space allows, and plan carefully if mixing with breeding cichlids. They are active and robust rather than delicate, but they can outcompete shy bottom dwellers and may eat very small fish or fry.
Expect the most activity at dusk, during feeding and after the fish settle into the rockwork. Juveniles may hide at first, then become bolder once they learn the tank routine.
| Usually suitable | Use caution | Avoid |
|---|---|---|
| Robust Tanganyikan cichlids and similar hard-water African fish | Breeding mouthbrooders if fry survival matters | Tiny tetras, fry, delicate soft-water fish and very timid bottom dwellers |
| Other sturdy, similarly sized fish that enjoy hard alkaline water | Long-finned slow fish that may be stressed by night activity | Soft acidic blackwater species kept outside their comfort range |
| SKU | Listed size | Best use |
|---|---|---|
| 8105 | 2.5-3 cm | Starter juveniles for keepers happy to grow them on. |
| 8106 | 3-4 cm | A slightly more established juvenile group. |
| 8107 | 4-5 cm | Better visibility in larger cichlid layouts. |
| 8104 | 5-7 cm | Stronger presence in mature aquariums. |
| 8108 | 7-8 cm | Larger specimens for experienced hard-water setups. |
Give newly arrived Cuckoo Catfish a quiet, dimly lit aquarium and allow them to find cover before the first full feed. They may hide while settling, especially if the tank is bright or the rockwork is too open. Offer a small sinking feed after lights dim, then build up feeding once they are actively exploring.
When moving this species, remember that the fin spines can catch in net mesh. Slow, careful handling is better than chasing them around the aquarium. Keep the transfer short, protect the barbels and avoid exposing the fish to dry surfaces.
| Question | Good sign | Needs work first |
|---|---|---|
| Is the aquarium mature? | Stable filter, low nitrate and regular maintenance | New tank, unstable water or recent cycling problems |
| Is the water suitable? | Hard, alkaline conditions already maintained | Soft acidic water being forced upward only for one fish |
| Is there cover? | Multiple caves and shaded spaces for a group | Open bare bottom with no retreats |
| Are tank mates robust? | Similar-sized African cichlids or hard-water fish | Small, delicate, long-finned or very timid fish |
Choose this fish if you already have, or are building, a hard-water African aquarium with enough floor space and hiding places. It is not the right choice for tiny nano tanks or soft-water community aquariums.
Use code WELCOME10 for 10% off your first order where eligible. Live fish orders are packed for overnight livestock delivery, and our Live Arrival Guarantee applies when the delivery and acclimation conditions are followed.
Care details were cross-checked against FishBase for Synodontis multipunctatus, Seriously Fish Cuckoo Catfish guidance, Maidenhead Aquatics / Fishkeeper Cuckoo Catfish notes, and the existing Petra Aqua supplier record for SKU 8105.
22–27°C · pH 6–7.5 · 300L
22–28°C · 350L
22–26°C · pH 7.8–8.6 · 250L
24–27°C · pH 7.5–9 · 200L
24–27°C · pH 7.5–9 · 200L
22–28°C · pH 6–7.5 · 110L
18–26°C · pH 6.5–8 · 30L
23–27°C · pH 7.4–8.4 · 500L
20–27°C · pH 6–7 · 54L
23–27°C · pH 7.4–8.4 · 150L
24–28°C · pH 6.5–7.8 · 300L
20–24°C · pH 7–8 · 45L
24–28°C · pH 6.5–7.5 · 2000L
24–28°C · pH 7.5–8.5 · 200L
24–28°C · pH 5.5–7 · 60L
18–25°C · pH 6–8 · 100L
24–28°C · pH 7–8 · 120L
18–28°C · pH 6.5–8 · 20L
24–27°C · pH 7.5–8.8 · 150L
22–26°C · pH 6–7.5 · 60L
24–28°C · pH 7.5–8.5 · 40L
24–28°C · pH 7.5–8.5 · 500L