Catfish Care Sheet
Various (Synodontis, Pimelodus)
A vast group of bottom-dwelling fish that includes everything from tiny otos to giant plecos. Catfish are essential cleanup crew members that add activity to the lower levels of your tank.
72–82°F
6–7.5
30 gallons
5–20 years depending on species
2–12 inches (5–30 cm) depending on species
Varies by species (most are social and prefer groups)
Varies widely — some (like bristlenose) breed easily; others are extremely difficult in captivity.
Diet & Feeding
Varies by species — most are omnivores. Sinking pellets, algae wafers, frozen bloodworms, vegetables. Nocturnal feeders — drop food after lights out.
Natural Habitat
Found worldwide in freshwater habitats. Most prefer sandy substrates, dim lighting, and plenty of hiding spots.
Care Tips
Use sand or smooth gravel — catfish barbels are easily damaged by sharp substrate
Most are nocturnal — feed sinking foods after lights out
Research your specific species — 'catfish' encompasses thousands of species
Provide caves, driftwood, and hiding spots for security
Many catfish have venomous spines — handle with care during netting