Schwartzi Corydoras

Corydoras schwartzi

Animalia›Chordata›Actinopterygii›Callichthyidae

📍 South America

Schwartzi corydoras has a distinctive pattern of dark spots and a prominent black stripe through the eye. It is an active, peaceful schooling fish that spends most of its time foraging along the bottom. Well suited to soft, acidic planted tanks.

Size2.5"

Min Tank15g

School6+

peaceful

Zonebottom

Care Guide

Diet

Schwartzi corydoras are omnivores that primarily feed on sinking pellets and tablets designed for bottom feeders. Supplement 2-3 times weekly with frozen foods like bloodworms, daphnia, or brine shrimp to ensure balanced nutrition and encourage natural foraging behavior. Feed small amounts once daily, removing uneaten food after a few minutes to maintain water quality.

Behavior

These are active, peaceful schooling fish that spend most of their time foraging along the substrate using their barbels to search for food. They are nocturnal to crepuscular and most active during dawn, dusk, and nighttime hours. They produce audible squeaking or clicking sounds, particularly during feeding or when stressed, which is completely normal behavior.

Breeding

Breeding in captivity is possible but requires specific conditions including cooler water temperatures (20-22°C), frequent water changes, and a well-established tank with plenty of vegetation. Males will chase females in a characteristic T-position during spawning. Eggs are typically laid on plants or tank surfaces; remove parents after spawning as they do not guard fry, and provide infusoria or liquid fry food for the newly hatched young.

Tank Mates

Neon Tetra

Similar water parameter requirements and peaceful temperament; occupy mid-water column while corydoras stay on bottom

excellent

Otocinclus

Compatible bottom dweller with identical soft, acidic water preferences and peaceful behavior

excellent

Emerald Dwarf Rasbora

Small, peaceful schooling fish that thrive in soft, acidic planted tanks alongside corydoras

excellent

German Blue Ram

Peaceful dwarf cichlid with overlapping water parameters; may occasionally chase corydoras but rarely cause harm

good

Red Cherry Shrimp

Peaceful invertebrate that shares bottom-dwelling niche; ensure adequate hiding places for shrimp safety

good

Java Moss

Provides shelter and foraging surfaces; helps establish natural planted tank environment preferred by this species

excellent

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, rapid breathing, rubbing against objects, lethargy

Treatment

Raise temperature gradually to 28-30°C, perform daily 25% water changes, use aquarium salt (1 tsp per 5 gallons) or ich-specific medication; treat for 7-10 days

Barbel Erosion

Symptoms

Shortened, frayed, or missing barbels; reduced foraging ability

Treatment

Improve water quality with frequent changes, ensure substrate is smooth sand or fine gravel (avoid sharp substrates), add quality sinking foods, and treat with antibacterial medication if secondary infection occurs

Fin Rot

Symptoms

Frayed or deteriorating fins, discoloration at fin edges, lethargy

Treatment

Perform 25-30% water changes every 2-3 days, maintain pristine water quality, remove uneaten food promptly, and use antibacterial medication if condition worsens

Dropsy

Symptoms

Bloated abdomen, scales standing out (pinecone appearance), lethargy, loss of appetite

Treatment

Isolate affected fish, perform frequent water changes, feed high-quality foods sparingly, and treat with antibiotics; prognosis is often poor if advanced