JULII CORYDORAS
Common Name: Julii Corydoras
Scientific Name: Corydoras julii
Family: Callichthyidae
Origin: Eastern Brazil — coastal river systems
SPECIES OVERVIEW
Note: Often confused with Corydoras trilineatus (Three-Lined Cory), which has a more reticulated head and longer, continuous lateral stripe.
Body Shape: Compact, arched body typical of Corydoras
Fins: Mostly translucent with scattered dark spots
Active bottom forager, often sifting through sand together
Light silver body with dark spotted patterning
Distinct black line along the mid-body (may be broken)
Head marked with fine black dots (not reticulated)
Environment: Slow-moving streams and flooded forest areas
CARE REQUIREMENTS
Minimum Aquarium Size: 60 litres for a group
Lifespan: 5–8 years
Adult Size: Up to 5.5 cm
WATER PARAMETERS
Temperature: 22–26°C
pH: 6.0–7.5
Hardness: Soft to moderately hard
Water Conditions: Soft, slightly acidic to neutral waters with sandy substrates
AQUARIUM SETUP
Water Flow: Gentle
Substrate: Fine sand recommended to avoid barbel damage
Décor: Driftwood, leaf litter, shaded hiding spots, and aquatic plants
Filtration: Gentle, oxygen-rich with excellent water quality
DIET & FEEDING
Diet: Omnivorous bottom-feeder
Sinking pellets, bloodworms, daphnia, brine shrimp
Occasional blanched vegetables or algae wafers
TANKMATES
Other peaceful community fish (e.g., small tetras, rasboras, dwarf cichlids)
Avoid aggressive or overly boisterous tank mates
GROUP SIZE
Peaceful and social; thrives in groups of six or more
IMPORTANT INFORMATION
Spawning Method: Egg layer
Triggered by cool water changes and high-protein diet
Eggs laid on tank walls or broad leaves
Eggs hatch in 3–4 days
Feed fry with infusoria or powdered fry food
Day-active and curious; may dart to surface for air occasionally

