Corydoras paleatus — Pepper Corydoras
Family: Callichthyidae
Origin: Southern Brazil, Uruguay, northern Argentina
Size: Up to 7 cm (2.75 inches)
Lifespan: 5–8 years
 
Natural Habitat
Environment: Slow-moving streams, ponds, and floodplains with soft, silty substrates and abundant plant life
Water Conditions: Cooler waters with neutral to slightly acidic pH
Temperature Range: 20–25°C (68–77°F)
 
Physical Description
Body Shape: Sturdy, slightly high-backed with a rounded snout
Coloration:
Silvery-gray to olive body
Irregular dark green, black, or blue-gray mottling along the flanks and back
Subtle metallic sheen under lighting
Fins: Mostly clear with occasional spotting on the dorsal
Note: Corydoras paleatus is one of the earliest Corydoras species kept in aquariums and is highly popular for its adaptability and charming behavior.
 
Aquarium Care
Tank Size: Minimum 60 litres (15 gallons) for a small group
Water Parameters:
pH: 6.0–7.5
Hardness: Soft to medium
Temperature: 20–25°C (68–77°F)
Water Flow: Gentle to moderate
Substrate: Fine sand or smooth gravel
Décor: Plants, driftwood, and shaded hiding spots
Filtration: Clean, well-aerated water is important
 
Diet
Type: Omnivorous bottom-feeder
Preferred Foods:
Sinking pellets, frozen or live bloodworms, brine shrimp, daphnia
Algae wafers and blanched vegetables as occasional treats
Feeding Frequency: 1–2 times daily
 
Behavior & Tank Mates
Temperament:
Very peaceful and social
Thrives in groups of 5 or more
Compatible Tank Mates:
Ideal for peaceful community aquariums
Good with tetras, danios, rasboras, small gouramis, and other Corydoras
Behavior Notes:
Actively scavenges the bottom
Occasionally surfaces to gulp air
 
Breeding
Spawning Method: Egg layer
Breeding Conditions:
Spawning triggered by cool water changes and increased feeding
Eggs typically laid on aquarium glass or broad leaves
Fry Care:
Hatch in 3–5 days
Feed with infusoria or finely powdered fry foods
 
Conservation Status
IUCN Status: Not Evaluated
Notes: A hardy, beginner-friendly Corydoras with endearing activity and distinctive speckled appearance; well-suited for cooler freshwater setups