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

Macropodus concolor
A striking, hardy, and personable small labyrinth fish from Vietnam that thrives in a planted, covered aquarium with calm tankmates. Moderate care, semi-aggressive. 20-26C, pH 6.0-7.5.
Maintain these water conditions for optimal health and vibrant colors
The Black Paradise Fish (Macropodus concolor) is A striking, hardy, and personable small labyrinth fish from Vietnam that thrives in a planted, covered aquarium with calm tankmates.. The black paradisefish (Macropodus spechti) is a species of gourami endemic to Vietnam. It is an inhabitant of hill streams, lowland streams, and irrigation ditches in farmland. This species grows t With a moderate care level and semi-aggressive temperament, this species is suitable for aquarists seeking paradise fish. Available for sale UK-wide through specialist suppliers, offering healthy specimens with secure delivery.
The Black Paradise Fish displays characteristic features of the Osphronemidae family, with a streamlined body reaching 9cm 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 Vietnam, especially central Vietnam river systems and associated streams, backwaters, and irrigation channels, these fish inhabit The black paradisefish (Macropodus spechti) is a species of gourami endemic to Vietnam. It is an inhabitant of hill streams, lowland streams, and irr. 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 60-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 20-26C temperature range and 6.0-7.5 pH range.
As omnivores, Black Paradise Fish require appropriate dietary variety. Offer a varied diet of high-quality small pellets or granules, frozen and live foods such as bloodworms, daphnia, brine shrimp, and insect larvae, with occasional vegetable matter or spirulina-based... Feed 1-2 times daily in portions consumed within minutes. Varied diet supports optimal coloration, health, and breeding condition.
Displaying semi-aggressive temperament, these fish exhibit natural behaviors including feeding, territory establishment, and social interactions. Provide a covered tank, as this species is a strong jumper and needs access to warm, humid air at the surface for labyrinth breathing. Best kept in a planted aquarium with subdued flow and plenty of... 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:
A bubble nest builder; provide a quiet, shallow, heavily planted breeding tank with floating plants and gentle filtration. Males may become territorial during spawning, and the pair should be...
Maintain water quality within species-appropriate parameters. Provide a covered tank, as this species is a strong jumper and needs access to warm, humid air at the surface for labyrinth breathing. Best kept in a planted aquarium with subdued flow and plenty of... Monitor for common ailments and treat promptly with appropriate medications. Quarantine new additions prevents disease introduction.
At Tropical Fish Co, we offer healthy Black Paradise Fish 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.
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