{"product_id":"congo-tetra","title":"Congo Tetra | Juvenile | 3-4 cm | Price Per Fish ₹375\/-","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e🐠 Congo Tetra – Sub-adult\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cem\u003ePhenacogrammus interruptus\u003c\/em\u003e | Iridescent African schooling fish with flowing finnage and unmatched elegance\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eTransform your aquarium with the breathtaking beauty of the \u003cstrong\u003eCongo Tetra\u003c\/strong\u003e. Widely regarded as one of the world's most spectacular freshwater tetras, \u003cem\u003ePhenacogrammus interruptus\u003c\/em\u003e is admired for its shimmering rainbow iridescence, graceful flowing fins, and peaceful schooling behavior.\u003c\/p\u003e\n\u003cp\u003eIts brilliant coloration and elegant movement make it a true centerpiece for planted aquariums, large community tanks, and premium aquascapes.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e✨ Why aquarists love Congo Tetras\u003c\/h2\u003e\n\u003cp\u003e✔️ \u003cstrong\u003eBrilliant rainbow iridescence\u003c\/strong\u003e — shimmering blues, greens, golds, and violets that change with the light\u003cbr\u003e✔️ \u003cstrong\u003eElegant flowing finnage\u003c\/strong\u003e — mature specimens develop long, graceful fins with exceptional display value\u003cbr\u003e✔️ \u003cstrong\u003ePeaceful schooling species\u003c\/strong\u003e — stunning synchronized swimming when maintained in groups\u003cbr\u003e✔️ \u003cstrong\u003ePremium ornamental tetra\u003c\/strong\u003e — one of the largest and most beautiful tetra species available\u003cbr\u003e✔️ \u003cstrong\u003eIdeal centerpiece schooling fish\u003c\/strong\u003e — combines beauty, size, and graceful movement\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🌍 About the species\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003ePhenacogrammus interruptus\u003c\/em\u003e is native to the \u003cstrong\u003eCongo River Basin in the Democratic Republic of the Congo\u003c\/strong\u003e, where it inhabits slow-moving rivers, flooded forests, and densely vegetated waterways.\u003c\/p\u003e\n\u003cp\u003eThese fish are known for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpectacular iridescent body coloration\u003c\/li\u003e\n\u003cli\u003eFlowing dorsal, caudal, and anal fins in mature males\u003c\/li\u003e\n\u003cli\u003eGraceful and synchronized schooling behavior\u003c\/li\u003e\n\u003cli\u003eCalm and peaceful temperament\u003c\/li\u003e\n\u003cli\u003eStrong visual impact under natural and planted aquarium lighting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTheir constantly shifting iridescent colors make them one of the most captivating freshwater fish in the aquarium hobby.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🏡 Ideal aquarium setup\u003c\/h2\u003e\n\u003cp\u003eCongo Tetras thrive best in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge planted aquariums\u003c\/li\u003e\n\u003cli\u003eCommunity tanks\u003c\/li\u003e\n\u003cli\u003eNature-style aquascapes\u003c\/li\u003e\n\u003cli\u003eAfrican biotope aquariums\u003c\/li\u003e\n\u003cli\u003eMature freshwater systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecommended setup:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e120 liters or larger\u003c\/li\u003e\n\u003cli\u003eDense planting with generous open swimming areas\u003c\/li\u003e\n\u003cli\u003eGentle to moderate water movement\u003c\/li\u003e\n\u003cli\u003eStable water parameters\u003c\/li\u003e\n\u003cli\u003eEfficient biological filtration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Compatibility notes\u003c\/h2\u003e\n\u003cp\u003eCongo Tetras are \u003cstrong\u003epeaceful schooling fish\u003c\/strong\u003e and do best with similarly peaceful tankmates.\u003c\/p\u003e\n\u003cp\u003eNot ideal with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLarge predatory fish\u003c\/li\u003e\n\u003cli\u003eAggressive cichlids\u003c\/li\u003e\n\u003cli\u003ePersistent fin-nipping species\u003c\/li\u003e\n\u003cli\u003eHighly territorial fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBest suited for:\u003c\/p\u003e\n\u003cp\u003e✔️ Community aquariums\u003cbr\u003e✔️ Planted tanks\u003cbr\u003e✔️ African biotope aquariums\u003cbr\u003e✔️ Intermediate and experienced aquarists\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚚 Professionally packed for live arrival\u003c\/h2\u003e\n\u003cp\u003eEvery shipment is treated as a \u003cstrong\u003elive biological transport\u003c\/strong\u003e, not a standard parcel.\u003c\/p\u003e\n\u003cp\u003eYour fish are packed using:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOxygen-filled fish bags\u003c\/li\u003e\n\u003cli\u003eTemperature-insulated packaging\u003c\/li\u003e\n\u003cli\u003eShock-absorbing thermocol protection\u003c\/li\u003e\n\u003cli\u003eFastest safe transport routes available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis minimizes transit stress and improves live arrival success.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🛡️ Live Arrival Guaranteed*\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eInstant Refund for DoAs in accordance with our Refund Policy.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e👉 You are not taking the risk alone.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🧭 Is this right for you?\u003c\/h2\u003e\n\u003cp\u003e✔️ You want one of the world's most beautiful schooling fish\u003cbr\u003e✔️ You maintain a large planted or community aquarium\u003cbr\u003e✔️ You appreciate elegant fish with spectacular iridescent coloration\u003cbr\u003e✔️ You are looking for a premium centerpiece schooling species\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Not ideal if:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYou keep aggressive or fin-nipping species\u003c\/li\u003e\n\u003cli\u003eYour aquarium is too small for active schooling fish\u003c\/li\u003e\n\u003cli\u003eYou prefer solitary centerpiece fish\u003c\/li\u003e\n\u003cli\u003eYou maintain overcrowded community aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔬 Nero Labs Standard\u003c\/h2\u003e\n\u003cp\u003eThese fish are maintained with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eControlled batch monitoring\u003c\/li\u003e\n\u003cli\u003eObservation-based selection\u003c\/li\u003e\n\u003cli\u003eStress-aware handling\u003c\/li\u003e\n\u003cli\u003eSurvival-focused transport preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe prioritize long-term health, structural quality, coloration, and behavioral stability over bulk-volume movement.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e👉 Experience the elegance of Africa's most iconic tetra\u003c\/h2\u003e\n\u003cp\u003eDiscover the shimmering colors, graceful movement, and timeless beauty of the \u003cstrong\u003eCongo Tetra (\u003cem\u003ePhenacogrammus interruptus\u003c\/em\u003e)\u003c\/strong\u003e from \u003cstrong\u003eNero Labs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003eCongo Tetra (\u003cem\u003ePhenacogrammus interruptus\u003c\/em\u003e)\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Congo Tetra (\u003cem\u003ePhenacogrammus interruptus\u003c\/em\u003e), offered by Nero Labs, is a selectively maintained ornamental African characin recognized for its remarkable iridescent coloration, flowing finnage, and peaceful schooling behaviour. Native to the Congo River Basin in Central Africa, this species inhabits slow-moving rivers, flooded forests, and densely vegetated freshwater systems where soft lighting and abundant aquatic vegetation enhance its natural brilliance.\u003c\/p\u003e\n\u003cp\u003eBody coloration typically presents as shimmering silver with iridescent blue, green, violet, and golden reflections that change dynamically with viewing angle and lighting conditions. Mature males develop elongated dorsal, anal, and caudal fin extensions, giving the species its distinctive flowing appearance, while females display a fuller body profile with comparatively shorter finnage and more subdued coloration. Colour intensity and finnage development improve progressively with maturity, balanced nutrition, and stable environmental conditions.\u003c\/p\u003e\n\u003cp\u003eBehaviour is peaceful, active, and strongly schooling-oriented. Individuals display graceful synchronized swimming and establish cohesive social hierarchies when maintained in appropriate groups. Their calm temperament allows excellent compatibility with other peaceful community species, while their continuous movement and brilliant iridescence make them a natural focal point in spacious planted aquaria.\u003c\/p\u003e\n\u003cp\u003eSpecimens supplied are lab-reared and system-acclimated within controlled, closed-system environments, minimizing early-life stress and supporting reliable long-term adaptation to aquarium conditions. This lineage represents domesticated ornamental stock maintained for colour brilliance, finnage quality, and behavioural stability rather than wild ecological function or conservation deployment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eSystem \u0026amp; Rearing Notes\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e In-house, Nero Labs\u003cbr\u003e\u003cstrong\u003eRearing environment:\u003c\/strong\u003e Controlled, closed system\u003cbr\u003e\u003cstrong\u003eLine status:\u003c\/strong\u003e Selectively maintained ornamental African characin\u003cbr\u003e\u003cstrong\u003eBehaviour:\u003c\/strong\u003e Peaceful, active, schooling\u003cbr\u003e\u003cstrong\u003eSwimming profile:\u003c\/strong\u003e Midwater, graceful synchronized movement\u003cbr\u003e\u003cstrong\u003eFeeding behaviour:\u003c\/strong\u003e Omnivorous; accepts prepared, frozen, and live feeds\u003cbr\u003e\u003cstrong\u003eHabitat preference:\u003c\/strong\u003e Spacious planted aquaria with open swimming areas, subdued lighting, and gentle to moderate water movement\u003cbr\u003e\u003cstrong\u003eColour development:\u003c\/strong\u003e Progressive; iridescent blue, green, violet, and golden reflections intensify with maturity and environmental stability\u003cbr\u003e\u003cstrong\u003eSexual dimorphism:\u003c\/strong\u003e Pronounced; males develop elongated flowing finnage and more intense iridescence\u003c\/p\u003e\n\u003cp\u003eMinor variation in iridescent colour intensity, finnage length, and body proportions may occur between individuals and reflects normal biological diversity within maintained ornamental populations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailability \u0026amp; Use\u003c\/h2\u003e\n\u003cp\u003eAvailability of Congo Tetras is cycle-dependent and determined by biological readiness rather than inventory-driven targets. This species is suitable for intermediate to advanced aquarists seeking an elegant and visually spectacular schooling fish.\u003c\/p\u003e\n\u003cp\u003eBest suited for large planted community aquaria, African river-inspired freshwater systems, and premium display aquaria emphasizing graceful schooling behaviour, flowing finnage, and exceptional iridescent colouration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Note\u003c\/h2\u003e\n\u003cp\u003eCongo Tetras should be maintained in groups to encourage natural schooling behaviour and maximize colour expression. Spacious aquaria, subdued lighting, stable water quality, and peaceful tankmates are essential for maintaining their flowing finnage and full iridescent brilliance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEthical \u0026amp; Operational Context\u003c\/h2\u003e\n\u003cp\u003eDistribution of Congo Tetras through Nero Labs prioritizes organism welfare, lineage integrity, and responsible propagation of ornamental African characins. Proceeds support refinement of characin husbandry protocols, behavioural observation programs, and applied ornamental aquaculture initiatives.\u003c\/p\u003e","brand":"The Nero Labs Store","offers":[{"title":"Default Title","offer_id":44161157660750,"sku":null,"price":375.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/5309\/7550\/files\/CongoTetra.png?v=1786615534","url":"https:\/\/shop.nerolabs.org\/products\/congo-tetra","provider":"The Nero Labs Store","version":"1.0","type":"link"}