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FisheasyFreshwater

Loreto Corydoras

Corydoras loretoensis

📍 South America

Loreto Corydoras is a small, peaceful bottom-dwelling catfish native to Peru that makes an excellent addition to community aquariums. These armored catfish are known for their gentle temperament and constant foraging behavior along the substrate. They are hardy, easy to care for, and thrive in groups, making them ideal for both beginner and experienced aquarists.

Size1.2"
Min Tank20g
School4+
peaceful
Zonebottom

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Care Guide

Diet

Loreto Corydoras are omnivorous bottom feeders that consume sinking pellets, algae wafers, and small live or frozen foods such as bloodworms and brine shrimp. Feed small amounts once or twice daily, ensuring food reaches the substrate where they forage. They will also consume leftover food and algae, helping to keep the tank clean.

Behavior

These small catfish are nocturnal and most active during evening and night hours, though they will forage throughout the day. They spend most of their time on the substrate, using their barbels to search for food and occasionally stirring up the substrate. Loreto Corydoras are highly social and should be kept in groups of at least 4-6 individuals to exhibit natural schooling behavior and reduce stress.

Breeding

Breeding Loreto Corydoras in captivity is possible but challenging and rarely achieved by hobbyists. They require cooler water temperatures (around 68-70°F), slightly acidic conditions, and plenty of hiding spaces with fine substrate. Successful breeding typically involves conditioning pairs with high-quality foods and performing water changes to simulate seasonal rainfall.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

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

Treatment

Increase water temperature to 82-86°F, perform daily 25% water changes, use ich medication following product instructions, ensure good water quality

Fin Rot

Symptoms

Frayed or deteriorating fins, discoloration at fin edges, lethargy

Treatment

Perform 25-50% water changes daily, improve water quality, use antibacterial medication if severe, remove any sharp decorations that may cause injury

Barbel Erosion

Symptoms

Shortened or missing barbels, difficulty foraging, behavioral changes

Treatment

Improve water quality with frequent water changes, provide soft substrate (sand preferred over gravel), ensure adequate nutrition with varied diet, avoid rough substrates

Dropsy

Symptoms

Bloated appearance, scales standing out, lethargy, loss of appetite

Treatment

Isolate affected fish in hospital tank, perform frequent water changes, feed high-quality foods, use antibacterial medication, maintain optimal water parameters

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Quick Facts

diet
omnivore - sinking pellets, algae wafers, and live/frozen foods
lifespan
3-5 years
max size
3 cm (1.2 in)
tank size
20 gallons minimum
temperament
peaceful

Water it likes

ph
6.0-7.0
ammonia
0 ppm
nitrate
<20 ppm
hardness
2-12 dGH
temperature
72–79°F (22–26°C)

Stats

Community tips0
Kept by0 hobbyists