Common Syno
Siluriformes sp.
Common Syno (Siluriformes sp.) — Easy care, Peaceful, under Catfish & Cory. Minimum tank in the app: 55 US gal min; aim for 70–82°F and pH 6–7.8. The Common Syno is an excellent choice for both novice and experienced aquarists looking for a reliable bottom-dweller that thrives in larger setups.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Mostly South America / Africa
- South America
- Africa
Regional colours match the stocking calculator’s origin map.
Common Syno Tank Setup
A minimum of 210 liters is key, with ample open space for swimming and a variety of hiding spots created by rocks and driftwood. Soft substrates are ideal for foraging, and moderate lighting can help them feel secure. Maintaining good water flow is essential to mimic their natural habitats, as they prefer slightly higher oxygen levels.
What Do Common Synos Eat?
As an omnivorous bottom feeder, the Common Syno is not fast during feeding, which can lead to competition with more active surface feeders. Offer a varied diet including sinking pellets and occasional protein sources like bloodworms to maintain health and color vibrancy.
Common Syno Tank Mates
This catfish is suited for peaceful community tanks and pairs well with species of similar size and temperament, such as tetras or rasboras. Larger cichlids may pose a threat due to their size and territorial nature. Intraspecies interactions are generally non-aggressive, allowing for larger groups if desired, but a single specimen can also thrive.
Are Common Synos Good for Beginners?
In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the need for tank size and filtration, leading to poor water quality and stress. Overcrowding or pairing with aggressive tank mates can also lead to stress and reduced activity levels, as can a lack of structure in the environment, causing them to retreat and become less visible.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




