Polkadot Synodontis (Synodontis angelicus)

Polkadot Synodontis (Synodontis angelicus)

The Polkadot Synodontis (Synodontis angelicus) is one of the most recognizable and sought-after African catfish, prized for its deep black body covered in crisp white spots. Native to the Congo River Basin, this species offers a striking contrast and bold pattern that stands out in any aquarium.

As it matures, the spotting often becomes more refined and spaced, enhancing its unique appearance. Combined with its active nature and classic Synodontis behaviors—such as nocturnal activity and occasional upside-down swimming—this species is both visually impressive and highly engaging.

Care

A hardy species that adapts well when provided with proper conditions and shelter.

• Temperature: 75–82°F (24–28°C)
• pH: 6.5–7.8
• Water Hardness: Moderate
• Behavior: Semi-aggressive, territorial with its own kind
• Experience Level: Intermediate

Provide strong filtration and regular water changes. Include plenty of caves, driftwood, and shaded areas to reduce stress and encourage natural behavior.

Diet

Omnivorous with a strong preference for protein-rich foods.

• Sinking pellets and wafers
• Frozen foods (bloodworms, brine shrimp, mysis shrimp)
• Occasional vegetable matter

Will scavenge but should be directly fed to ensure proper nutrition.

Tank Size

• Minimum Tank Size: 55 gallons
• Recommended: 75+ gallons for long-term care

Use soft substrate and provide ample hiding spaces. Dim lighting helps bring out natural behavior.

Tank Mates

Compatible with medium to large, semi-aggressive species.

• Suitable: African cichlids, larger tetras, other robust fish
• Avoid: Very small fish or highly aggressive tank mates

Can be kept singly or in groups with adequate space, though some territorial behavior may occur.

Summary

The Polkadot Synodontis is a bold, high-contrast catfish that combines striking looks with hardy nature and engaging behavior. A perfect addition to African or mixed community aquariums, it offers both visual appeal and personality.