
Aulonocara sp. 'Firefish' - Tropical Fish for Sale UK
24–28°C · pH 7.5–8.5 · 200L

Corydoras melanistius
A peaceful, attractive schooling catfish with striking blue-black spotting that makes an excellent bottom-dwelling community fish. Easy care, peaceful. 22-26C, pH 6.0-7.5.
Maintain these water conditions for optimal health and vibrant colors
The Black Sail Cory, Black-Spot (Corydoras melanistius) is A peaceful, attractive schooling catfish with striking blue-black spotting that makes an excellent bottom-dwelling community fish.. The bluespotted corydoras, blacksail corydoras, blackspotted corydoras, dotted corydoras, Guiana cat or Guiana corydoras (Corydoras melanistius) is a tropical freshwater fish belonging to the Corydo With a easy care level and peaceful temperament, this species is suitable for aquarists seeking corydoras catfish. Available for sale UK-wide through specialist suppliers, offering healthy specimens with secure delivery.
The Black Sail Cory, Black-Spot displays characteristic features of the Callichthyidae family, with a streamlined body reaching 3.5cm at maturity. Coloration varies with age, diet, and water conditions, with adults showing the most vibrant pigmentation. The body shape is well-adapted for their natural habitat, with fins proportionate to body size. Sexual dimorphism may be present, with males typically displaying more intense coloration and slightly larger size. Juveniles show subdued patterns that intensify as they mature.
In their native range of Coastal rivers of Brazil, French Guiana, Guyana, and Suriname in South America, these fish inhabit The bluespotted corydoras, blacksail corydoras, blackspotted corydoras, dotted corydoras, Guiana cat or Guiana corydoras (Corydoras melanistius) is . Wild populations adapt to local water parameters, feeding habits, and seasonal variations. Understanding their natural environment helps recreate appropriate aquarium conditions supporting long-term health and natural behaviors.
A minimum 80-litre aquarium provides adequate space for this species, with larger volumes recommended for groups or community setups. Substrate choice, decorations, and plant selection should reflect their natural habitat. Filtration should maintain excellent water quality whilst providing appropriate flow. Regular maintenance including partial water changes maintains stable parameters within the 22-26C temperature range and 6.0-7.5 pH range.
As omnivores, Black Sail Cory, Black-Spot require appropriate dietary variety. A varied sinking diet of quality corydoras pellets or wafers, frozen or live foods such as bloodworms, daphnia, and brine shrimp, plus occasional small meaty foods. Feed after lights dim or at the... Feed 1-2 times daily in portions consumed within minutes. Varied diet supports optimal coloration, health, and breeding condition.
Displaying peaceful temperament, these fish exhibit natural behaviors including feeding, territory establishment, and social interactions. Keep in a soft-substrate aquarium such as sand or very smooth gravel to protect their barbels. They are social and should be kept in a proper group; poor water quality and rough substrate can lead to... Understanding their social needs ensures stable community dynamics.
Maintain stable water parameters through regular testing and gradual changes. Sudden parameter shifts stress fish and compromise immune function, so always acclimate new additions carefully and perform maintenance consistently.
Suitable companions include:
Avoid:
Spawning is similar to other Corydoras: condition with abundant live/frozen foods, then trigger with a cooler water change and slightly softer water. They lay adhesive eggs on glass, plants, or...
Maintain water quality within species-appropriate parameters. Keep in a soft-substrate aquarium such as sand or very smooth gravel to protect their barbels. They are social and should be kept in a proper group; poor water quality and rough substrate can lead to... Monitor for common ailments and treat promptly with appropriate medications. Quarantine new additions prevents disease introduction.
At Tropical Fish Co, we offer healthy Black Sail Cory, Black-Spot specimens selected for excellent condition and vitality. Our fish undergo quarantine and health assessment before sale. We provide comprehensive care guidance including setup recommendations, feeding protocols, and tankmate suggestions. Secure packaging and next-day courier delivery ensure your fish arrive safely anywhere in the UK. When you purchase from Tropical Fish Co, you're investing in quality livestock backed by genuine aquatic expertise.
Healthy, vibrant fish from trusted suppliers
Detailed care guides and support
Your fish arrives healthy or we'll replace it
Properly quarantined and ready for your tank

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