Corydoras CW169

The CW169 Corydoras, recently reclassified as Hoplisoma sp. (CW169), is a rare and captivating freshwater catfish native to the Río Ariari in Colombia. Distinguished by its striking black cheek patch and peaceful demeanor, this species is a delightful addition to well-maintained community aquariums.

🐟 Species Overview

• Scientific Name: Hoplisoma sp. (CW169)

• Common Name: CW169 Corydoras

• Origin: Río Ariari, Colombia

• Adult Size: Males ~1.75 inches (4.5 cm); Females ~2 inches (5 cm)

• Lifespan: 5–8 years

• Temperament: Peaceful, social, bottom-dweller

• Lineage: Lineage 9 (short-snouted group) 

🏡 Aquarium Setup

• Tank Size: Minimum 20 gallons for a group of 6; larger tanks (30+ gallons) are recommended for more spacious environments

• Substrate: Soft sand or smooth gravel to protect sensitive barbels

• Decor: Provide hiding spots with driftwood, caves, and plants; ensure open areas for foraging

• Lighting: Low to moderate; diffused lighting preferred

• Water Flow: Gentle to moderate; ensure good oxygenation

💧 Water Parameters

• Temperature: 71–79°F (22–26°C)

• pH: 6.0–7.2

• Hardness: Soft to moderately hard water

• Water Changes: Regular weekly changes to maintain water quality

🍽️ Diet & Feeding

CW169 Corydoras are omnivores and thrive on a varied diet:

• Staple Foods: High-quality sinking pellets or wafers

• Supplements: Live or frozen foods such as bloodworms, brine shrimp, and daphnia

• Feeding Frequency: Feed once or twice daily; ensure food reaches the bottom

🤝 Tankmates & Compatibility

CW169 Corydoras are ideal for community aquariums with other peaceful species:

• Compatible Tankmates: Small to medium-sized peaceful fish such as tetras, rasboras, danios, and other corydoras species

• Avoid: Large or aggressive fish that may intimidate or prey on them

🐣 Breeding Tips

Breeding CW169 Corydoras in captivity is possible with proper care:

• Spawning Trigger: Simulate rainy season conditions by performing partial water changes with slightly cooler water

• Breeding Behavior: Females lay adhesive eggs on flat surfaces; males fertilize externally

• Fry Care: Feed infusoria or microworms initially; maintain pristine water conditions

📝 Care Summary

By maintaining optimal water conditions, providing a suitable diet, and ensuring a well-structured environment with ample hiding spots, the CW169 Corydoras can thrive and even breed in home aquariums.