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  • Source: Copyright Tropicalfishfinder

  • Source: Copyright Tropicalfishfinder

Corydoras sp. cf. aeneus (Peru gold stripe) (Gold Stripe Corydoras)

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Apparently a regional variety of the common bronze catfish Corydoras aeneus this catfish is not often seen in fish shops and tends to be relatively expensive. This variety is paler than the common bronze Corydoras and has a distinctive golden band running down the top half of the flanks. They do not seem any more difficult to keep than ordinary bronze catfish.

One of the most popular and widely sold catfish, thanks at least in part to its innate adaptability and attractive colours. This species is quite variable in the wild, and numerous artificially bred varieties exist including albino and long-finned forms.

An ideal beginner's catfish, this species is hardy, inexpensive, and easy to look after. It will accept most foods, including catfish pellets, but live or frozen bloodworms are a particular favourite. Unlike most other catfish, this species is active by day, and can be relied upon to bring interest to the bottom level of an aquarium.

Corydoras are air breathers, and for this reason must have access to the surface, and should not be kept in very deep tanks (more than 60 cm in depth).

Males are distinguished by their taller, more pointed dorsal fin, while females tend to be larger and more rounded.

Fish information (behaviour and breeding):

A peaceful, schooling fish. Best kept in groups of six or more. Corydoras do best in aquarium with other small, peaceful community species such as tetras, danios, small barbs, gouramis, etc. Dwarf cichlids are sometimes antagonistic towards these fish, and that combination is not recommended. Although Corydoras are often purchased as "scavengers" it is important that they are regularly fed on a good-quality catfish food.

Corydoras spawn in the same basic way regardless of species; the key things for the aquarist are to replicate the natural water chemistry parameters as carefully as possible and then to thoroughly condition the adults with plenty of live or frozen foods such as bloodworms and clean tubifex worms. When the females are ready to spawn they will be obviously swollen with eggs. In many cases specific spawning triggers are required, typically early morning sunshine and the addition of slightly cooler water to the tank to mimic a rainstorm.

Spawning takes place across an hour or more, with a single female being attended by multiple males as she searches the aquarium for clean, flat areas to deposit her eggs. The males fertlise the eggs that are held in a pouch-like structure formed by her pelvic fins, and the she will carefully place them onto a stone, plant leaf, or pane of glass. Up to 200 eggs will be produced. The eggs hatch within 5 days, and once free swimming the fry will eat Artemia nauplii and liquid fry foods. Corydoras fry are generally easy to rear but relatively slow growing, and both eggs and fry can be prone to fungal infections, so putting some anti-fungal medication in the water may be useful.

Family Group: Corydoras
Distribution Peru, South America
Temperature 25-28C
Size Up to 7.5 cm, but usually smaller
Water Parameters Adaptable, but avoid extremes
Water PH 6.0-8.0

Useful sources of information:

Corydoras benefit from being among the most written about catfish, and there are lots of excellent books to choose from, including:
- Aqualog - All Corydoras
- Aqualog - Corydoras All C Numbers - Brand New
- Breeding Corydoradinae Catfish
- Identifying Corydoradinae Catfish