Peppered Corydoras
Corydoras paleatus
One of the most popular and hardy Corydoras species. Notably, they prefer cooler water temperatures than most tropical fish. They are peaceful, bottom-dwelling schooling fish that use their sensitive barbels to sift through the substrate for food. They must be kept in groups to thrive.
Peppered Corydoras At a Glance
Peppered Corydoras Tank Requirements
Will Peppered Corydoras fit in your tank?
Care guides tell you what Peppered Corydoras needs, the next question is whether your tank can safely provide it. Test Peppered Corydoras against your tank size, maintenance needs, and the fish you already keep before you buy.
Peppered Corydoras Water Parameters
Peppered Corydoras Temperament & Compatibility
Peppered Corydoras Varieties
Each variety inherits the species defaults above. Only differences are highlighted.
Standard
The standard wild-type coloration featuring a metallic, mottled pattern of dark grey/black spots over a pale silver or olive body.
Same care requirements as the base species
Also known as: Wild Type, Mottled
Albino
An albino morph of the Peppered Corydoras (often confused with the albino Bronze Corydoras). Shares the same cool-water requirements as the standard form.
Differs in 1 trait from base species
Also known as: Albino Peppered Cory, Pink Cory
Long Finned
A selectively bred morph with elongated fins. They are slightly less agile swimmers and prefer gentler water currents to prevent exhaustion.
Differs in 2 traits from base species
Also known as: Hi-Fin, Longfin Cory
Peppered Corydoras Care Guide Summary
The Peppered Corydoras, scientifically known as Corydoras paleatus, belongs to the Catfish family group. Adults reach a maximum size of approximately 7 cm and have a depressed 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 Peppered 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 18°C and 24°C, with a pH range of 6–7.5 and a general hardness of 2–15 dGH. A moderate water flow is preferred.
The Peppered Corydoras is a rewarding species to keep, provided its core environmental needs are met. This species is available in 3 varieties: Standard, Albino, and Long Finned. Each may differ slightly in size, temperament, or care needs, so it is worth checking the specific requirements of the variety you plan to keep.
Peppered Corydoras Habitat Setup
When setting up an aquarium for the Peppered 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 and smooth gravel or rounded substrate to protect their sensitive barbels.
Peppered Corydoras Compatibility Notes
Classified as peaceful, the Peppered 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.
Who Peppered Corydoras Is Actually For
Peppered Corydoras is best for a fishkeeper who wants a species that can settle into a calmer community setup and can provide a keeper who can commit to a proper group of at least 6. It makes the most sense for a hobbyist who will actually build around its needs, especially sand.
The most common mistake is treating Peppered Corydoras like any other community fish and skipping the soft sand it needs to forage safely. Another frequent problem is underestimating its social needs. A token pair or trio often behaves very differently from a real group.
Peppered Corydoras Recommended Tank Sizes
Standard aquarium sizes that meet the minimum volume and length requirements for Peppered Corydoras.
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
36 Gallon Bowfront
40 Gallon Breeder
Show 19 more tank sizes
Frequently Asked Questions About Peppered Corydoras
How big does Peppered Corydoras get?
Peppered Corydoras (Corydoras paleatus) typically reaches a maximum adult size of approximately 7 cm. They have a depressed body shape and a moderate growth rate.
What tank size does Peppered Corydoras need?
A minimum aquarium volume of 60 litres and a tank length of at least 60 cm are recommended for Peppered Corydoras. This ensures enough swimming space and helps maintain stable water conditions.
What water parameters does Peppered Corydoras need?
Peppered Corydoras thrives in freshwater only conditions with a temperature range of 18–24°C, a pH between 6 and 7.5, and a general hardness of 2–15 dGH. A moderate water flow is preferred.
Is Peppered Corydoras peaceful or aggressive?
Peppered 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 Peppered Corydoras should be kept together?
Peppered 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 Peppered Corydoras have any special tank requirements?
Yes. Peppered Corydoras benefits from sand (sifters) and smooth gravel (sensitive barbels) in the aquarium. These features help replicate their natural habitat and promote overall health and well-being.
Useful setup supplies
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Guidarium Editorial Desk
Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.
- Last reviewed
- April 28, 2026
- Last updated
- April 28, 2026
- Issues or corrections?
- Contact the editorial team
Top Tank Mates for Peppered Corydoras
These fish are strong compatibility matches for Peppered Corydoras based on water preferences, temperament, adult size, and tank behavior.
Scissortail Rasbora
Rasbora trilineata
Ideal Tank MatesRosy Red Minnow / Fathead Minnow
Pimephales promelas
Ideal Tank MatesRose Danio
Danio roseus
Ideal Tank MatesSunset Platy (Variatus Platy)
Xiphophorus variatus
Ideal Tank MatesTiger Danio
Devario maetaengensis
Ideal Tank MatesWestern Rainbowfish
Melanotaenia australis
Ideal Tank MatesPlants That Suit Peppered Corydoras
These plants pair well with Peppered Corydoras based on shared water preferences, layout fit, and how likely they are to hold up in the same aquarium.
African Onion Plant
Crinum calamistratum
Afzel's Anubias
Anubias afzelii
Amazon Sword
Echinodorus amazonicus
Anacharis
Egeria densa
Anubias Barteri
Anubias barteri
Ashy Pipewort
Eriocaulon cinereum
Fish Similar to Peppered Corydoras
Bronze Corydoras
Corydoras aeneus
A highly popular, peaceful schooling catfish known for its armor-like scales (scutes) and active bottom-feeding behavior. They are essential clean-up crew members but require a dedicated sinking diet (not just leftovers). Sand substrate is strictly required to prevent erosion and infection of their sensitive barbels. They are 'gut breathers' and will occasionally dart to the surface to gulp atmospheric air.
Leopard Cory
Corydoras leopardus
A peaceful, highly social bottom-dwelling catfish known for its striking leopard-like spots and elongated snout. Unlike many fish, Corydoras require fine sand substrate to prevent severe damage to their delicate sensory barbels. They are obligate shoaling fish and must be kept in groups of at least 6 to feel secure and display natural continuous foraging behaviors.
Bearded Cory
Scleromystax barbatus
A large, striking, and somewhat atypical relative of standard Corydoras. Native to the highly oxygenated, cooler coastal streams of Brazil, they require sub-tropical temperatures and will stress or die in standard tropical tanks. They exhibit strong sexual dimorphism. Highly social, they must be kept on a soft sand substrate to protect their sensitive barbels.
Dainty Cory (Salt and Pepper Cory)
Corydoras habrosus
A true dwarf Corydoras species, the Dainty Cory (Corydoras habrosus) is a highly active, peaceful bottom dweller. Unlike the Pygmy Cory (C. pygmaeus) which frequently swims in the mid-water column, the Habrosus stays true to typical Corydoras behavior by constantly sifting the substrate. They must be kept on fine sand to protect their delicate barbels and require a school of at least 6 to feel secure.
Sterba's Corydoras
Corydoras sterbai
A highly popular and peaceful schooling catfish known for its striking white-on-black spotted pattern and bright orange pectoral fins. Uniquely among Corydoras, they thrive in higher temperatures, making them excellent bottom-dwelling companions for warm-water species like Discus. They are obligate shoalers and must be kept on fine sand to prevent the erosion and infection of their delicate 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.