Description
Corydoras duplicareus, also known as the False Adolfoi Corydoras, is a highly sought-after freshwater catfish prized for its striking contrast and peaceful community nature. With a creamy white body, bold black facial mask, and distinctive dark dorsal marking, this Corydoras species is both visually stunning and extremely active. Ideal for planted aquariums and calm community setups, Corydoras duplicareus is a favourite among aquarists searching for rare Corydoras catfish with strong visual appeal.
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Features of Corydoras Duplicareus
• Native habitat: blackwater streams and tributaries of the Rio Negro, Brazil
• Maximum size: approximately 5–7 cm
• Lifespan: 5–8 years with proper aquarium care
• Temperament: very peaceful, social, and community-safe
• Colouration: cream-white body with a bold black eye mask and dark dorsal stripe
• Behaviour: bottom-dwelling schooling fish; best kept in groups of 6 or more
The Best Aquarium Size for Corydoras Duplicareus
A minimum tank size of 80–100 litres is recommended for Corydoras duplicareus, with larger aquariums offering improved water stability and more natural schooling behaviour. As a bottom-dwelling catfish, ample floor space is more important than tank height, making long aquariums ideal.
Tank brands you can consider:
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Tank Mate Compatibility for Corydoras Duplicareus
Corydoras duplicareus is an excellent choice for peaceful freshwater community aquariums. Compatible tank mates include:
Avoid aggressive or boisterous fish that may stress or outcompete this gentle species.
Diet for Corydoras Duplicareus
As an omnivorous bottom feeder, Corydoras duplicareus thrives on a varied, protein-rich diet. Feed high-quality sinking pellets or Corydoras wafers, supplemented with frozen or live foods such as bloodworms, brine shrimp, and daphnia. Evening feeding ensures this catfish receives adequate nutrition in busy community tanks.
Check out our extensive range of aquarium fish foods.
Aquarium Setup for Corydoras Duplicareus
Aquarium Filtration
Gentle, efficient filtration is ideal. Clean, well-oxygenated water supports long-term health and vibrant colouration.
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Aquarium Plants
Live plants such as Amazon Sword, Cryptocoryne, Java Fern, and floating plants help replicate a natural Amazon biotope and provide shelter.
Here are some great aquarium plants to try:
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Aquarium Lighting
Moderate lighting is recommended. Dimmed lighting or floating plants can help reduce stress and enhance natural behaviour.
Buy LED lighting for your aquarium.
Aquarium Heating
Maintain stable tropical temperatures with a reliable aquarium heater and thermometer.
Aquarium Substrate
Fine sand substrate is essential for Corydoras duplicareus to protect delicate barbels and allow natural foraging behaviour.
A variety of Substrates are available at Coburg Aquarium.
Aquarium Decorations
Use driftwood, leaf litter, and smooth stones to recreate a natural Rio Negro-style environment, leaving open areas for bottom feeding.
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