A peaceful, highly social schooling catfish native to the upper Rio Negro basin in South America. They are easily identified by their bright orange patch on the snout and a broad black band running down their back. Like all Corydoras, they require soft sand to sift through without damaging their delicate sensory barbels.
Duplicareus Corydoras At a Glance
Duplicareus Corydoras Tank Requirements
Will Duplicareus Corydoras fit in your tank?
Care guides tell you what Duplicareus Corydoras needs, the next question is whether your tank can safely provide it. Test Duplicareus Corydoras against your tank size, maintenance needs, and the fish you already keep before you buy.
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Duplicareus Corydoras Water Parameters
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Duplicareus Corydoras Temperament & Compatibility
Duplicareus Corydoras Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
The standard wild-type form. Genders are practically identical in husbandry needs, though females may appear slightly broader when viewed from above. Must be kept in a shoal of 6 or more to prevent extreme stress and shyness.
Differs in 1 trait from base species
Also known as: Wild Type
Duplicareus Corydoras Care Guide Summary
The Duplicareus Corydoras, scientifically known as Corydoras duplicareus, belongs to the Catfish family group. Adults reach a maximum size of approximately 5 cm and have a fusiform body shape with a moderate growth rate. Classified as peaceful, this species primarily occupies the bottom zone of the aquarium and produces a low level of biological waste.
To thrive, the Duplicareus Corydoras requires a freshwater only aquarium with a minimum volume of 60 litres and a tank length of at least 60 cm. Water temperature should be maintained between 22°C and 26°C, with a pH range of 6–7.2 and a general hardness of 2–12 dGH. A moderate water flow is preferred.
The Duplicareus Corydoras is a rewarding species to keep, provided its core environmental needs are met. The Duplicareus Corydoras is typically available in one standard form.
Duplicareus Corydoras Habitat Setup
When setting up an aquarium for the Duplicareus Corydoras, a moderate water flow best suits their natural preferences. Because this species occupies the bottom zone, the aquarium layout should prioritise sufficient floor space with hiding spots among rocks, wood, or dense planting. Useful additions include a sand substrate to accommodate their sifting behaviour. Keepers should note that expect substrate disturbance, so lightweight décor should be secured.
Duplicareus Corydoras Compatibility Notes
Classified as peaceful, the Duplicareus Corydoras is a schooling species that feels most secure in a sizeable group, where natural shoaling behaviour reduces stress and brings out their best colours. When choosing tankmates, their energetic swimming style may stress more sedentary or timid species. Selecting tankmates that favour different water layers from the bottom zone can help reduce competition and territorial overlap.
Duplicareus Corydoras Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Duplicareus Corydoras.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
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Frequently Asked Questions About Duplicareus Corydoras
How big does Duplicareus Corydoras get?
Duplicareus Corydoras (Corydoras duplicareus) typically reaches a maximum adult size of approximately 5 cm. They have a fusiform body shape and a moderate growth rate.
What tank size does Duplicareus Corydoras need?
A minimum aquarium volume of 60 litres and a tank length of at least 60 cm are recommended for Duplicareus Corydoras. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Duplicareus Corydoras need?
Duplicareus Corydoras thrives in freshwater only conditions with a temperature range of 22–26°C, a pH between 6 and 7.2, and a general hardness of 2–12 dGH. A moderate water flow is preferred.
Is Duplicareus Corydoras peaceful or aggressive?
Duplicareus Corydoras is classified as peaceful with an aggression score of 0 out of 10. They are generally well-suited to peaceful community tanks.
How many Duplicareus Corydoras should be kept together?
Duplicareus Corydoras is a schooling species and should be kept in groups of at least 6. Larger groups help distribute aggression and encourage natural schooling behaviour.
Does Duplicareus Corydoras have any special tank requirements?
Yes. Duplicareus Corydoras benefits from sand (sifters) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Top Tank Mates for Duplicareus Corydoras
These fish are strong compatibility matches for Duplicareus Corydoras based on water preferences, temperament, adult size, and tank behavior.
MacCulloch's Rainbowfish (Dwarf Rainbowfish)
Melanotaenia maccullochi
Ideal Tank MatesEastern Rainbowfish
Melanotaenia splendida
Ideal Tank MatesCrimsonspotted Rainbowfish
Melanotaenia duboulayi
Ideal Tank MatesEspei Rasbora (Lambchop Rasbora)
Trigonostigma espei
Ideal Tank MatesFire Tetra
Hyphessobrycon flammeus
Ideal Tank MatesDebauwi Catfish (Three-Striped Glass Catfish)
Pareutropius buffei
Ideal Tank MatesPlants That Suit Duplicareus Corydoras
These plants pair well with Duplicareus Corydoras based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
Afzel's Anubias
Anubias afzelii
Anubias Barteri
Anubias barteri
Belinda's Buce
Bucephalandra belindae
Buce Motleyana
Bucephalandra motleyana
Christmas Moss
Vesicularia montagnei
Congo Anubias
Anubias heterophylla
Fish Similar to Duplicareus Corydoras
Adolfo Cory
Corydoras adolfoi
Adolfo's Corydoras is a highly sought-after, peaceful schooling catfish native to the blackwater habitats of the Rio Negro basin. They are easily identified by their bright orange nape and distinct black eye stripe. Like all corydoras, they require soft sand substrate to protect their delicate sensory barbels as they constantly sift the bottom for food.
Loxozonus Corydoras (C079/C082)
Corydoras loxozonus
A peaceful, bottom-dwelling catfish native to the Rio Meta basin in Colombia. Known for the distinctive diagonal black stripe across its back and a mask over its eyes. Like all Corydoras, they are highly social and must be kept in groups. A soft, sandy substrate is strictly required to prevent damage to their delicate barbels as they sift for food.
Black Fin Cory
Corydoras leucomelas
A peaceful schooling catfish native to the Amazon basin, easily identified by its black dorsal fin and a dark mask-like band across its eyes. Like all Corydoras, they are bottom-dwellers that use sensitive barbels to forage. They possess a modified intestine allowing them to gulp atmospheric air, so occasional darts to the surface are normal. They are highly social and require a soft sandy substrate to prevent barbel erosion.
Panda Corydoras
Corydoras panda
A highly popular, peaceful schooling catfish easily identified by its black eye patches and spotted dorsal/tail fins, resembling a giant panda. Native to the cooler waters of the Ucayali river system in Peru, they require slightly lower temperatures than many standard tropical community fish. They are strict bottom-dwellers that sift through the substrate for food.
Agassiz Cory
Corydoras agassizii
A peaceful, bottom-dwelling armored catfish native to the Amazon River basin. They are easily identified by their silvery body with dark spots and a distinct black mask over their eyes. Like all Corydoras, they are highly social and must be kept in groups. A soft sand substrate is absolutely essential to protect their delicate sensory barbels as they forage.
True Julii Corydoras
Corydoras julii
A highly sought-after, peaceful schooling catfish native to the lower Amazon. They feature distinctive fine black dots on their heads (unlike the reticulated, maze-like lines of the commonly mislabeled 'False Julii', C. trilineatus) and a black-tipped dorsal fin. As obligate bottom-dwellers, they continuously sift through the substrate and strictly require soft sand to prevent erosion and infection of their delicate sensory barbels. They are highly gregarious and must be kept in groups.









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