{"product_id":"ruby-barb","title":"Ruby Barb | Adult | 4-5 cm | Price Per Fish ₹575\/-","description":"\u003cdiv class=\"relative w-full overflow-visible\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch1\u003e🐟 Ruby Barb – Premium Color Schooling Fish \u003c\/h1\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cem\u003ePethia nigrofasciata\u003c\/em\u003e | Deep ruby-red barb for planted community aquariums\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eAdd rich natural color and lively schooling movement to your aquarium with \u003cstrong\u003eRuby Barbs\u003c\/strong\u003e — a beautiful Sri Lankan barb species admired for its deep ruby-red body coloration, dark vertical markings, and active yet peaceful behavior.\u003c\/p\u003e\n\u003cp\u003eUnder proper lighting and stable aquarium conditions, males develop intense red coloration that creates a stunning contrast against planted aquascapes and darker backgrounds.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e✨ Why aquarists love Ruby Barbs\u003c\/h2\u003e\n\u003cp\u003e✔️ \u003cstrong\u003eDeep ruby-red coloration\u003c\/strong\u003e — especially vibrant in mature males\u003cbr\u003e✔️ \u003cstrong\u003eActive schooling behavior\u003c\/strong\u003e — energetic and engaging group movement\u003cbr\u003e✔️ \u003cstrong\u003ePeaceful community species\u003c\/strong\u003e — suitable for planted tropical aquariums\u003cbr\u003e✔️ \u003cstrong\u003eExcellent planted tank fish\u003c\/strong\u003e — colors stand out beautifully against greenery\u003cbr\u003e✔️ \u003cstrong\u003eHardy and adaptable\u003c\/strong\u003e — ideal for stable community setups\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🌍 About the species\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003ePethia nigrofasciata\u003c\/em\u003e originates from Sri Lanka and is highly valued for its natural coloration and active schooling behavior.\u003c\/p\u003e\n\u003cp\u003eThese fish are known for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRich ruby-red body tones\u003c\/li\u003e\n\u003cli\u003eDark vertical banding\u003c\/li\u003e\n\u003cli\u003eConstant mid-water activity\u003c\/li\u003e\n\u003cli\u003ePeaceful social interaction\u003c\/li\u003e\n\u003cli\u003eStrong visual impact in groups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTheir coloration intensifies significantly in healthy, well-maintained planted aquariums.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🏡 Ideal aquarium setup\u003c\/h2\u003e\n\u003cp\u003eRuby Barbs thrive best in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlanted aquariums\u003c\/li\u003e\n\u003cli\u003eCommunity tropical setups\u003c\/li\u003e\n\u003cli\u003eSoft to moderately hard water\u003c\/li\u003e\n\u003cli\u003eModerate water flow\u003c\/li\u003e\n\u003cli\u003eGroups of 6 or more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRecommended setup:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e75 liters or larger\u003c\/li\u003e\n\u003cli\u003eDense planting with open swimming space\u003c\/li\u003e\n\u003cli\u003eStable filtration and mature water conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Compatibility notes\u003c\/h2\u003e\n\u003cp\u003eRuby Barbs are active but generally peaceful community fish.\u003c\/p\u003e\n\u003cp\u003eNot ideal with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExtremely timid nano fish\u003c\/li\u003e\n\u003cli\u003eDelicate long-finned species\u003c\/li\u003e\n\u003cli\u003eLarge aggressive predators\u003c\/li\u003e\n\u003cli\u003eOvercrowded aquariums\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBest suited for:\u003c\/p\u003e\n\u003cp\u003e✔️ Active planted community aquariums\u003cbr\u003e✔️ Tropical schooling fish setups\u003cbr\u003e✔️ Medium-sized community tanks\u003cbr\u003e✔️ Peaceful barb and tetra communities\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\u003eInstant Refund for DoAs in accordance with our Refund Policy.\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 rich natural coloration in your aquarium\u003cbr\u003e✔️ You enjoy active schooling fish with elegant movement\u003cbr\u003e✔️ You are building a planted community setup\u003cbr\u003e✔️ You prefer hardy tropical fish with strong visual appeal\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Not ideal if:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eYou keep extremely shy or delicate fish\u003c\/li\u003e\n\u003cli\u003eYour aquarium is very small\u003c\/li\u003e\n\u003cli\u003eYou prefer slow-moving centerpiece species\u003c\/li\u003e\n\u003cli\u003eYour setup lacks swimming space and stable conditions\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 stability and health over bulk-volume movement.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e👉 Add deep ruby color to your aquarium\u003c\/h2\u003e\n\u003cp\u003eExperience the vibrant beauty and active schooling behavior of \u003cstrong\u003eRuby Barbs\u003c\/strong\u003e from Nero Labs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003ch2\u003eRuby Barb (\u003cem\u003ePethia nigrofasciata\u003c\/em\u003e)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Ruby Barb (\u003cem\u003ePethia nigrofasciata\u003c\/em\u003e), offered by Nero Labs, is a selectively maintained ornamental cyprinid recognized for its deepening red coloration in mature males, compact body form, and active schooling behaviour. Native to the clear, shaded streams of Sri Lanka, this species displays pronounced colour responsiveness to environmental stability, diet quality, and social structure.\u003c\/p\u003e\n\u003cp\u003eJuveniles and females typically exhibit muted bronze to olive tones with darker vertical markings, while mature males develop intense ruby-red pigmentation under optimal conditions. Colour expression is closely linked to water quality, thermal stability, and low-stress group dynamics. Behaviour is generally active yet manageable, with mild territorial displays occurring primarily during breeding readiness.\u003c\/p\u003e\n\u003cp\u003eIndividuals supplied are lab-reared and system-acclimated within controlled, closed-system environments, reducing early-life stress and improving adaptability to established aquaria. This lineage represents domesticated ornamental stock maintained for predictable colour development and long-term aquarium suitability rather than wild ecological performance or conservation application.\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 cyprinid lineage\u003cbr\u003e\u003cstrong\u003eBehaviour:\u003c\/strong\u003e Active and schooling; mild intraspecific displays in mature males\u003cbr\u003e\u003cstrong\u003eFeeding behaviour:\u003c\/strong\u003e Omnivorous; accepts prepared, frozen, and natural foods\u003cbr\u003e\u003cstrong\u003eSexual dimorphism:\u003c\/strong\u003e Pronounced in mature specimens\u003cbr\u003e\u003cstrong\u003eColour development:\u003c\/strong\u003e Progressive; strongest in stable, well-structured systems\u003c\/p\u003e\n\u003cp\u003eMinor variation in colour saturation, body depth, and fin edging 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 Ruby Barbs is cycle-dependent and determined by biological readiness and population stability rather than commercial inventory targets. This species is suitable for beginner to intermediate aquarists capable of maintaining group cohesion and consistent water parameters.\u003c\/p\u003e\n\u003cp\u003eBest suited for ornamental community aquaria, planted systems, and mixed-species tanks with compatible, non-aggressive inhabitants.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Note\u003c\/h2\u003e\n\u003cp\u003eRuby Barbs require group housing to maintain behavioural balance and optimal colour expression. Inadequate group size or unstable water conditions may result in subdued coloration and increased stress behaviour.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEthical \u0026amp; Operational Context\u003c\/h2\u003e\n\u003cp\u003eDistribution of Ruby Barbs through Nero Labs emphasizes organism welfare, closed-system integrity, and responsible management of schooling cyprinids. Proceeds support ongoing refinement of small cyprinid husbandry protocols, population dynamics research, and applied ornamental aquaculture initiatives.\u003c\/p\u003e","brand":"The Nero Labs Store","offers":[{"title":"Default Title","offer_id":43415597940814,"sku":null,"price":575.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/5309\/7550\/files\/Ruby_Barb.png?v=1782990882","url":"https:\/\/shop.nerolabs.org\/products\/ruby-barb","provider":"The Nero Labs Store","version":"1.0","type":"link"}