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About the Barbatus Corydoras

The Barbatus Corydoras is a unique and highly sought-after South American catfish, admired for its elongated body, striking metallic colouration, and impressive facial bristles that develop in mature males. Formerly classified as a Corydoras, this fascinating species now belongs to the genus Scleromystax and is one of the largest and most distinctive members of the Corydoradinae family.

Native to the cool, clear coastal streams of southeastern Brazil, the Barbatus Corydoras displays beautiful shades of bronze, green, blue, and silver that shimmer under aquarium lighting. Mature males develop long odontodes (bristle-like growths) around the cheeks and pectoral fins during breeding, giving them a unique appearance unlike any other Corydoras.

These peaceful bottom-dwellers thrive in well-oxygenated aquariums with a fine sand substrate, driftwood, smooth rocks, and dense planting. They should be kept in groups of at least six and make excellent companions for tetras, rasboras, rainbowfish, peaceful dwarf cichlids, and other community fish.

Hardy, active, and full of personality, the Barbatus Corydoras is an outstanding choice for aquarists looking for a rare and impressive bottom-dwelling species.

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Quick Care Guide

Scientific Name

Scleromystax barbatus

Common Name

Barbatus Corydoras

Origin

Southeastern Brazil

Adult Size

9–10 cm

Temperament

Peaceful

Diet

Omnivore

Minimum Tank Size

90 Litres

Temperature

20–25°C

pH

6.0–7.5

Water Hardness

2–12 dGH

Difficulty

Intermediate

Lifespan

8–10 Years

Suitable For

Community aquariums, planted tanks, and cool tropical aquariums

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Frequently Asked Questions

Is the Barbatus Corydoras actually a Corydoras?

Although commonly known as the Barbatus Corydoras, this species is now scientifically classified as Scleromystax barbatus, a closely related genus of armoured catfish.

How many Barbatus Corydoras should I keep?

They are social fish and should always be kept in groups of at least six to encourage natural behaviour and reduce stress.

What do Barbatus Corydoras eat?

They readily accept quality sinking pellets, Corydoras wafers, frozen bloodworms, blackworms, brine shrimp, and other protein-rich sinking foods.

Why do the males have whiskers on their face?

Mature males develop prominent bristle-like odontodes around their cheeks and pectoral fins during breeding, making them easy to distinguish from females.

Do Barbatus Corydoras need sand?

Yes. A fine sand substrate allows them to forage naturally and helps protect their sensitive barbels.

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Common Mistakes

Keeping them in warm aquariums

Barbatus Corydoras prefer cooler tropical temperatures than many other Corydoras species.

Keeping them alone

They are social fish and should always be maintained in groups.

Using sharp gravel

Coarse substrates can damage their barbels and discourage natural feeding behaviour.

Assuming they only eat leftover food

Provide dedicated sinking foods to ensure they receive a balanced diet.

Poor water quality

Clean, well-oxygenated water and regular maintenance are essential for keeping this species healthy.