Moderate
Hybrid Blood Parrot Cichlid
24–28°C · pH 6.5–8 · 200L
£55.99
Large-Spot Synodontis is a spotted West African Synodontis catfish for spacious, well-filtered aquariums with caves and robust tank mates.
Synodontis ocellifer
Large-Spot Synodontis are a shoaling species — they need 6+ to feel safe and show their full colour.
Large-Spot Synodontis is a spotted West African Synodontis catfish for spacious, well-filtered aquariums with caves and robust tank mates.
Maintain these water conditions for optimal health and vibrant colors
Large-Spot Synodontis is the trade name we use for Synodontis ocellifer, also known as the Ocellated Synodontis. It is a striking West African squeaker catfish with a pale brown to grey body, large dark eye-like spots and the long adipose fin that makes mature Synodontis so distinctive. The fish is often sold small, but the care plan should be built for a large, powerful adult rather than for the juvenile size in the bag.
This listing has been rebuilt to restore useful care depth while removing forced buyer phrases. The important keywords are already natural to the fish: Large-Spot Synodontis, Ocellated Synodontis, Synodontis ocellifer, spotted African catfish, Synodontis catfish, nocturnal catfish and large community aquarium. They do not need to be pushed awkwardly into every sentence.
In the right aquarium this is a rewarding, characterful catfish. It is not a nano fish, not a shrimp-safe fish and not a bottom cleaner that can be added to any mixed tank. It needs cover, oxygen, stable water, room to cruise at night and tank mates chosen with adult size in mind.
| Scientific name | Synodontis ocellifer |
|---|---|
| Common names | Large-Spot Synodontis, Ocellated Synodontis, Large-Spot Catfish |
| Family | Mochokidae, the African squeaker and upside-down catfish family |
| Natural range | West and northern African river basins including Senegal, Gambia, Niger/Benue, Volta and Chad systems. |
| Adult size planning | FishBase records up to 49 cm total length. Aquarium adults are often smaller, but long-term housing should still be planned generously. |
| Temperament | Generally peaceful for its size, but predatory by mouth size and assertive around food or cramped hiding places. |
| Best for | Spacious aquariums with robust medium-to-large tank mates, strong filtration and multiple caves. |
| Not suitable for | Small peaceful fish, shrimp tanks, tiny aquariums or delicate slow feeders. |
Synodontis ocellifer is named for the ocellated, eye-like spotting on the sides and adipose fin. Mature fish can show large dark spots with pale centres, while juveniles may have more speckling through the fins that softens as they grow. The body is strong and catfish-like, with long barbels, a broad head, a forked tail and a long adipose fin running along the back behind the dorsal fin.
Spotted Synodontis can be confused with other West African species, and some aquarium fish are sold under broad or older trade names. For this product, the care anchor is Synodontis ocellifer, but the common wording Large-Spot Catfish and Ocellated Synodontis is kept naturally because customers may search by either name. Pattern can vary between individuals, so the best identification clues are the overall body shape, the large body and adipose-fin spots, the long adipose fin and the adult-size expectation.
FishBase places this species in freshwater, benthopelagic river habitats across several West and northern African basins. These are not tiny still-water fish. In the aquarium, that translates into oxygen-rich water, open routes between cover, solid filtration and enough floor space for a nocturnal catfish to patrol without constantly colliding with tank mates.
USGS records nonindigenous occurrence from probable aquarium release, so responsible ownership matters. Do not release unwanted Synodontis into ponds, canals, streams or any outdoor water. Rehome through an experienced keeper or aquatic retailer instead.
| Long-term aquarium | Plan a spacious adult system. For a young fish, smaller grow-out tanks are temporary only; long-term care is best approached around 350-450 litres or more. |
|---|---|
| Water temperature | 23-27 C from FishBase; the current livestock range on site is kept close at 22-28 C. |
| pH and hardness | Stable neutral to slightly acidic or slightly alkaline water is usually accepted; avoid sudden swings. |
| Flow and oxygen | Use good surface movement and strong biological filtration. This fish does best in clean, well-oxygenated water. |
| Decor | Use large caves, smooth rockwork, bogwood and open lanes. Provide more retreats than catfish if keeping more than one. |
| Lighting | Subdued lighting, shaded areas and evening feeding suit its nocturnal habits. |
| Maintenance | Regular water changes and substrate cleaning are important because protein foods and large catfish waste raise nitrate quickly. |
Build the aquascape around the adult fish. A cave that looks generous for a 5 cm juvenile may be useless later. Smooth, stable decor is safer than sharp rockwork, and heater guards are sensible because Synodontis often rest in dark crevices.
Do not design the tank as a maze of tight ornaments. The fish needs hiding places, but it also needs space to turn. Large wood pieces, broad caves and open substrate lanes are better than many small ornaments that trap debris and make the fish scrape its body.
Large-Spot Synodontis is an unfussy omnivorous catfish. Use quality sinking catfish pellets or wafers as the staple, then rotate in frozen bloodworm, chopped prawn, mussel, earthworm, insect larvae and some vegetable-based foods. Feed after lights dim if the fish is shy during the day.
Do not rely on live feeder fish. They are poor nutrition, can introduce disease and encourage bad habits. This species may eat fish small enough to swallow, but that is a compatibility warning, not a feeding strategy. Offer measured portions and remove leftovers so the aquarium stays clean.
Because Synodontis often feed hardest after dark, daytime keepers sometimes think the fish is not eating. Check after lights out before increasing food. A healthy specimen should keep a rounded but not swollen belly, clear barbels and steady breathing. Heavy breathing, clamped fins, scraped barbels or refusal to leave cover can point to poor water quality, bullying or unsuitable decor.
| Good choices | Robust medium-to-large fish that are too large to swallow and not easily bullied at feeding time. |
|---|---|
| Possible examples | Larger peaceful cichlids, larger barbs, robust characins and other suitable African river fish in a large tank. |
| Use caution with | Other bottom dwellers. Provide multiple shelters and watch for night-time competition. |
| Avoid | Small tetras, guppies, endlers, dwarf rasboras, shrimp, small snails and any fish that fits in the mouth. |
| Also avoid | Very delicate, slow-feeding or long-finned fish that may be stressed or outcompeted. |
Juveniles can look community-safe because they are small and secretive. The adult is a different animal: heavier, stronger and much more able to dominate food. Choose tank mates for the adult fish, not for the size currently available.
If more than one Synodontis is kept, use a larger tank with separate retreats. Cramped layouts can create pushing, chasing and territorial disputes around the best cave. If the fish is kept with cichlids, avoid aggressive combinations where the catfish is trapped between night-time feeding pressure and day-time territorial behaviour from tank mates.
Have the aquarium cycled, covered and arranged before delivery. Keep lights low on arrival day, acclimate steadily and allow the fish to find cover. It may hide for the first few days, especially in bright tanks. This is normal for Synodontis and should not be treated as failure to settle.
Offer a small sinking meal after lights dim, then check the next morning for leftovers. Test ammonia and nitrite after the first feeds if the tank is newly stocked or heavily populated. A strong appetite is good, but water quality matters more than pushing food early. Avoid rearranging the tank repeatedly in the first week; let the fish learn its shelters.
We pack live fish in insulated packaging with oxygenated bags and use a licensed live-animal courier. Eligible livestock orders are covered by our Live Arrival Guarantee when the delivery and acclimation steps are followed. First-time customers can also use the available 10% first-order discount shown on the site, keeping the buying promise visible without forcing sales keywords into the care guide.
A well-kept Large-Spot Synodontis is bold, long-lived and full of character. It may spend daylight hours tucked under wood, then become active as the room darkens. It is especially impressive in larger African river-style aquariums where the owner can enjoy its spotting, barbels and steady night patrols without trying to squeeze it into a small community layout.
The honest advice is simple: buy it because you want a substantial Synodontis catfish, not because you want a small bottom cleaner. If you can provide space, cover and stable water, it can be a favourite fish for years. If your tank is small, shrimp-focused or full of tiny peaceful fish, choose a smaller catfish instead.
Yes, both names are commonly used for Synodontis ocellifer. Large-Spot Synodontis is the trade-friendly name; Ocellated Synodontis describes the eye-like spotting.
FishBase records up to 49 cm total length. Aquarium fish may be smaller, but long-term housing should still be planned for a large Synodontis rather than a small community catfish.
No. It may be peaceful with robust fish too large to swallow, but small fish and shrimp are unsafe tank mates.
Yes. Provide several secure caves or shaded retreats, especially if other bottom dwellers are present.
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24–28°C · pH 7.5–8.5 · 200L