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.
Adolfo Cory At a Glance
Adolfo Cory Tank Requirements
Will Adolfo Cory fit in your tank?
Care guides tell you what Adolfo Cory needs, the next question is whether your tank can safely provide it. Test Adolfo Cory against your tank size, maintenance needs, and the fish you already keep before you buy.
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Adolfo Cory Water Parameters
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Adolfo Cory Temperament & Compatibility
Adolfo Cory Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
The standard wild-type Adolfo's Cory. A highly social bottom dweller that must be kept in conspecific groups of at least 6 on a soft sand substrate to thrive. They are frequently confused with the nearly identical Corydoras duplicareus.
Same care requirements as the base species
Also known as: Wild Type, Adolfoi
Adolfo Cory Care Guide Summary
The Adolfo Cory, scientifically known as Corydoras adolfoi, belongs to the Catfish family group. Adults reach a maximum size of approximately 6 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 Adolfo Cory 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 20°C and 26°C, with a pH range of 4–7 and a general hardness of 1–10 dGH. A moderate water flow is preferred.
Due to its specialist needs, the Adolfo Cory is best suited for fishkeepers who can provide a carefully planned setup. The Adolfo Cory is typically available in one standard form.
Adolfo Cory Habitat Setup
When setting up an aquarium for the Adolfo Cory, 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, smooth gravel or rounded substrate to protect their sensitive barbels, and leaf litter or blackwater tannins to replicate their natural soft-water habitat. Keepers should note that expect substrate disturbance, so lightweight décor should be secured.
Adolfo Cory Compatibility Notes
Classified as peaceful, the Adolfo Cory 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.
Adolfo Cory Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Adolfo Cory.
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 Adolfo Cory
How big does Adolfo Cory get?
Adolfo Cory (Corydoras adolfoi) typically reaches a maximum adult size of approximately 6 cm. They have a fusiform body shape and a moderate growth rate.
What tank size does Adolfo Cory need?
A minimum aquarium volume of 60 litres and a tank length of at least 60 cm are recommended for Adolfo Cory. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Adolfo Cory need?
Adolfo Cory thrives in freshwater only conditions with a temperature range of 20–26°C, a pH between 4 and 7, and a general hardness of 1–10 dGH. A moderate water flow is preferred.
Is Adolfo Cory peaceful or aggressive?
Adolfo Cory is classified as peaceful with an aggression score of 1 out of 10. They are generally well-suited to peaceful community tanks.
How many Adolfo Cory should be kept together?
Adolfo Cory 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 Adolfo Cory have any special tank requirements?
Yes. Adolfo Cory benefits from sand (sifters), leaf litter/blackwater, and smooth gravel (sensitive barbels) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Top Tank Mates for Adolfo Cory
These fish are strong compatibility matches for Adolfo Cory 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 Adolfo Cory
These plants pair well with Adolfo Cory 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 Adolfo Cory
Duplicareus Corydoras
Corydoras duplicareus
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.
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.
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.
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.
Incolicana Corydoras
Corydoras incolicana
The Incolicana Corydoras (also designated as C001 in the DATZ system) is a peaceful, armored catfish originating from the Rio Içana in the Rio Negro basin. It features a classic Corydoras shape with a cream-colored body adorned with horizontal bands of brown spots and a distinctive orange patch on its head. As an obligate schooling fish and bottom-dweller, it requires a soft, sandy substrate to prevent damage to its delicate sensory barbels.
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.