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Polka Dot Synodontis - Synodontis angelicus - Medium

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The Polka Dot Synodontis (Synodontis angelicus) is a popular species. It is dark in color with white spots. Color can change based on various things, such as mood, age, and health.

Synodontis catfish typically require water that is well-oxygenated and has a relatively strong current. This can be achieved by using powerheads or a spray bar water return attachment on a canister filter. Provide hiding places situated in areas of heavy current for shelter.

Most Synodontis catfish are omnivores, and should be offered both meaty foods and vegetation. This can be in the form of flakes, pellets, and freeze-dried or frozen foods like bloodworms and blackworms. They are peaceful fish, and can be kept in most community aquariums. Many can tolerate a wide range of water conditions, including hard water and high pH, and can even be kept in some African cichlid aquariums.

Synodontis are, for the most part, nocturnal fish. They may become more active in the aquarium during the day over time but will come out of hiding the most during the night. A very well planted, dimly lit aquarium will encourage them to come out more often. Decorations like plants, driftwood, and rockwork are appropriate.

These catfish have strong spines in the pectoral fins and front of the dorsal fin. They can cause a painful puncture and may become entangled in nets. Use caution when handling or transporting.

Visit That Fish Blog for more information from our marine biologists and aquarium staff on Synodontis Catfish and many other topics!


Common NamePolka Dot Synodontis - Medium
Scientific NameSynodontis angelica
Max Size (in inches)9
Community SafeYes
pH Range6.0-8.0
Min Tank Size (in gallons)75
Temperature Range72-80

State Restrictions
Armed Forces Americas
Armed Forces Europe
Armed Forces Pacific
Puerto Rico


Ratings & Reviews

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Great Fish!


Absolutely love this fish! It arrived at about 3 in tip to tail, I've had it for about three months and it's grown about an inch. Doesn't come out as much as l'd like but it makes it that much better better when he does come out. Highly Recommend!