Product Details

Barbatus Cory – Scleromystax barbatus

The Barbatus Cory is an impressive, larger-growing cory-type catfish with bold banding, active bottom-dwelling behaviour and a preference for cooler, well-oxygenated water. Now correctly known as Scleromystax barbatus, this species is still often recognised in the trade as Corydoras barbatus or the Bearded Cory. It is a peaceful but substantial shoaling catfish best suited to mature aquariums with soft sand, good filtration and calm tank mates.

Key Identification:

Common Name: Barbatus Cory
Other Names: Bearded Cory, Banded Cory, Banded Corydoras, Corydoras barbatus
Scientific Name: Scleromystax barbatus
Older / Trade Name: Corydoras barbatus
Fish Type: Cory-type Catfish / Callichthyid Catfish
Water Type: Freshwater

Natural Range & Habitat:

Scleromystax barbatus is native to coastal drainages in south-eastern Brazil, from Rio de Janeiro to Santa Catarina. Although found in coastal river systems, it is a freshwater fish rather than a brackish species.

In the wild, it is associated with small flowing tributaries and well-oxygenated waters. Aquarium care should reflect this with clean water, moderate flow, high oxygen levels, shaded cover and a soft substrate that allows natural foraging without damaging the barbels.

Appearance & Adult Size:

Barbatus Corys are larger and more robust than many common Corydoras species. They have an armoured body, downturned mouth, sensory barbels and a patterned appearance of dark markings, bands or mottling over a pale to grey-brown base. Mature males can develop more pronounced facial bristles and stronger markings, giving rise to the name Bearded Cory.

Adults usually reach around 8–10 cm, making this a noticeably larger cory-type catfish. Because of their size and activity, they need more floor space than smaller species such as Panda Corys or Pygmy Corys.

Aquarium Suitability:

This species is best suited to a mature temperate or cooler tropical community aquarium. It does well in aquariums with soft sand, smooth stones, wood, leaf litter, plant cover and open areas for foraging. Clean, oxygen-rich water is important, and the aquarium should be fully cycled before these fish are added.

Barbatus Corys are not suitable for very warm discus-style aquariums, tiny community tanks, sharp gravel substrates, aggressive cichlid setups or tanks with poor oxygenation.

Recommended Aquarium Size:

A practical minimum is 120 litres for a small group, with a tank length of at least 90 cm recommended. Larger aquariums of 150 litres or more are preferred for adult groups, mixed communities and long-term care.

This is a social bottom-dweller and should be kept in a group of at least 5–6, with larger groups preferred where space allows.

Water Conditions:

Temperature: 18–24°C
pH: 6.0–7.5
Hardness: Soft to moderately hard
Additional Notes: Barbatus Corys prefer cooler, clean, well-oxygenated water. They can tolerate a wider range when acclimatised, but long-term care is best in stable subtropical conditions rather than high tropical temperatures. Avoid sharp gravel, high nitrate, poor filtration and sudden changes in water chemistry.

Temperament & Tank Mates:

Aquarium Category: Community Fish

Barbatus Corys are peaceful bottom-dwelling community fish, but they are larger and more active than many small Corydoras. Suitable tank mates include White Cloud Mountain Minnows, danios, temperate barbs, larger peaceful tetras, rainbowfish that suit cooler water, hillstream loaches, bristlenose plecs and other peaceful community fish that enjoy similar conditions.

Avoid aggressive cichlids, large predators, fin-nippers, very warm-water species and delicate slow feeders that may be disturbed by active bottom foraging. Do not keep singly or in pairs, as this species is more confident and natural in a group.

Feeding:

Barbatus Corys are omnivorous bottom feeders and should be given a varied sinking diet. Offer quality sinking pellets, catfish tablets, soft granules and wafers as the staple. Supplement with frozen or live foods such as bloodworm, tubifex, daphnia, brineshrimp, cyclops and mosquito larvae.

They will browse the substrate for leftover food, but they must not be relied on as a clean-up fish. Make sure food reaches the bottom after lights-out or during calm feeding times if kept with fast midwater species.

Behaviour in the Aquarium:

This species spends much of its time foraging along the substrate, exploring wood, plants and shaded areas with its barbels. In a suitable group, Barbatus Corys are active, social and often more visible than shy bottom dwellers. They may rise quickly to the surface to gulp air, which is normal behaviour for callichthyid catfish.

Mature males may display to females and to one another, especially in cooler, well-conditioned aquariums. Breeding behaviour is usually associated with excellent water quality, strong conditioning and cooler water changes.

Care Notes:

Use soft sand or very smooth fine substrate to protect the barbels. Keep oxygen levels high with good filtration, surface movement and regular maintenance. This species should not be kept long term at high tropical temperatures, as cooler stable conditions suit it better. Maintain a clean substrate, avoid overcrowding and quarantine new fish where possible.

Because Barbatus Corys grow larger than most common Corydoras, they should be sold for aquariums with enough floor space, not as a small-tank clean-up fish.

Recommended For:

Intermediate

Availability:

Occasional / Specialist import or captive-bred when available

Image Disclaimer:

All images are a visual representation of the fish you will receive, made to be as accurate as possible. Natural variation in size, colour, banding, spotting, facial bristles and markings can occur between individual fish.