{"product_id":"chili-rasboras-boraras-brigittae","title":"Chili Rasboras (Boraras brigittae)","description":"\u003cbody\u003e\n\n\n  \n\u003cmeta name=\"viewport\" content=\"width=device-width,initial-scale=1.0\"\u003e\n  \u003ctitle\u003eChili Rasbora - Superior Shrimp and Aquatics\u003c\/title\u003e\n  \u003clink href=\"https:\/\/fonts.googleapis.com\/css2?family=Playfair+Display:wght@400;600;700\u0026amp;family=DM+Sans:wght@300;400;500\u0026amp;display=swap\" rel=\"stylesheet\"\u003e\n  \u003cstyle\u003e\n\n    .ssa-pd *, .ssa-pd *::before, .ssa-pd *::after { box-sizing: border-box; }\n    @keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }\n    .ssa-pd { font-family: 'DM Sans', sans-serif !important; color: #1e1a1a !important; background: #fff !important; line-height: 1.75 !important; }\n    .ssa-pd .hero { background: linear-gradient(150deg, #111111 0%, #2a0000 60%, #F40909 100%) !important; padding: 3.5rem 3rem 2.8rem !important; 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}\n  \n  \u003c\/style\u003e\n\n\n\u003cdiv class=\"ssa-pd\"\u003e\n  \u003cdiv class=\"hero\"\u003e\n    \u003cstyle\u003e.ssa-pd .hero::before{content:\"\u0026#128032;\";}\u003c\/style\u003e\n    \u003cspan class=\"hero-tag\"\u003eFreshwater Fish\u003c\/span\u003e\n    \u003ch1\u003eChili Rasbora\u003c\/h1\u003e\n    \u003cp class=\"hero-sub\"\u003eThe smallest commonly kept schooling fish in the hobby -- a vivid red-orange nano fish with a black lateral stripe, reaching just over half an inch at maturity. Spectacular in large schools in nano planted tanks.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"feature-pills\"\u003e\n    \u003cspan class=\"fpill\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003e Vivid Red-Orange with Black Stripe\u003c\/span\u003e\n    \u003cspan class=\"fpill\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003e Under 1 Inch at Maturity\u003c\/span\u003e\n    \u003cspan class=\"fpill\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003e Boraras brigittae\u003c\/span\u003e\n    \u003cspan class=\"fpill\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003e pH 4.0–7.0\u003c\/span\u003e\n    \u003cspan class=\"fpill\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003e School of 10 or More\u003c\/span\u003e\n    \u003cspan class=\"fpill\"\u003e\u003cspan class=\"dot\"\u003e\u003c\/span\u003e Soft Acidic Water\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"body-wrap\"\u003e\u003cdiv class=\"prose\"\u003e\n    \u003cp\u003e\u003cstrong\u003eChili Rasboras\u003c\/strong\u003e (\u003cem\u003eBoraras brigittae\u003c\/em\u003e), also known as Mosquito Rasboras, are one of the smallest schooling fish kept in the freshwater hobby, reaching approximately 0.6 to 0.7 inches at full maturity. Their tiny size belies a vivid colour -- a bright red to orange-red body with a bold black lateral stripe and black markings on the fins that create a strong graphic contrast at close range. In a school of 20 or more in a densely planted blackwater-style nano tank, the collective flash of red moving through green vegetation is a display that punches dramatically above what the individual fish size would suggest. They require soft, acidic water and are one of the more parameter-sensitive fish on this list. Not a beginner fish in the sense of tolerating a wide range of conditions, but straightforward to keep long-term in a stable, well-established soft-water setup.\u003c\/p\u003e\n    \u003cdiv class=\"stat-row\"\u003e\n      \u003cdiv class=\"stat-card\"\u003e\n\u003cspan class=\"stat-value\"\u003e4.0–7.0\u003c\/span\u003e\u003cspan class=\"stat-label\"\u003epH\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"stat-card\"\u003e\n\u003cspan class=\"stat-value\"\u003e1–5\u003c\/span\u003e\u003cspan class=\"stat-label\"\u003eGH (dGH)\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"stat-card\"\u003e\n\u003cspan class=\"stat-value\"\u003e72–82°F\u003c\/span\u003e\u003cspan class=\"stat-label\"\u003eTemperature\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"stat-card\"\u003e\n\u003cspan class=\"stat-value\"\u003e0.7 in\u003c\/span\u003e\u003cspan class=\"stat-label\"\u003eMax Size\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \n    \u003cspan class=\"section-label\"\u003eAppearance \u0026amp; Schooling\u003c\/span\u003e\n    \u003ch2\u003eTiny, Vivid, and Best in Numbers\u003c\/h2\u003e\n    \u003cdiv class=\"bullet-list\"\u003e\n      \u003cspan class=\"bl-item\"\u003e\u003cstrong\u003eVivid red to orange-red body with a bold black lateral stripe and black fin markings.\u003c\/strong\u003e The colour of a healthy, well-conditioned Chili Rasbora in soft acidic water is genuinely striking -- a saturated warm red against the black stripe that reads as vivid and intentional even at the fish's very small size. Males show more intense colour than females, particularly when actively displaying. Colour fades noticeably in hard or alkaline water, which is a reliable parameter warning sign.\u003c\/span\u003e\n      \u003cspan class=\"bl-item\"\u003e\u003cstrong\u003eSchool of 10 minimum, 20 or more strongly recommended.\u003c\/strong\u003e The visual impact of Chili Rasboras is entirely dependent on school size. A group of 6 is barely visible in most tanks. A group of 20 or more creates a cloud of red that reads as a display element in its own right rather than background detail. Their tiny size means a school of 20 has a minimal bioload even in a 10-gallon tank.\u003c\/span\u003e\n      \u003cspan class=\"bl-item\"\u003e\u003cstrong\u003eSoft acidic water is not optional -- colour and health degrade in hard or alkaline conditions.\u003c\/strong\u003e Chili Rasboras originate from blackwater peat swamps in Borneo where the water is extremely soft and acidic. In water above pH 7.0 or GH above 8 they show faded colour, reduced activity, and shortened lifespans. This makes them ideal companions for Caridina shrimp tanks using active substrate and RO water, but a poor fit for standard hard-water Neocaridina setups.\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cspan class=\"section-label\"\u003eShrimp Compatibility\u003c\/span\u003e\n    \u003ch2\u003eMouth Too Small for Adult Shrimp\u003c\/h2\u003e\n    \u003cdiv class=\"bullet-list\"\u003e\n      \u003cspan class=\"bl-item\"\u003e\u003cstrong\u003eOne of the most shrimp-safe fish available due to extremely small mouth size.\u003c\/strong\u003e Adult Chili Rasboras have mouths so small that adult Neocaridina and Caridina shrimp are entirely safe. Even mid-sized juvenile shrimp are typically too large to be consumed. The primary risk is to newly hatched shrimplets in the first week of life, which are small enough to be targeted. In a planted tank with Java Moss or Subwassertang the survival rate of shrimplets in a mixed tank is high.\u003c\/span\u003e\n      \u003cspan class=\"bl-item\"\u003e\u003cstrong\u003eNatural parameter overlap with Caridina shrimp makes this a particularly strong pairing.\u003c\/strong\u003e Both Chili Rasboras and Caridina species prefer soft, acidic water -- pH 5.8 to 6.8, very low GH and KH. A Caridina tank running RO water with active substrate is close to ideal for Chili Rasboras simultaneously. This makes the combination one of the most parameter-compatible fish-and-shrimp pairings in the freshwater hobby.\u003c\/span\u003e\n      \u003cspan class=\"bl-item\"\u003e\u003cstrong\u003eNot well-suited to hard-water Neocaridina setups.\u003c\/strong\u003e If your Neocaridina tank runs at pH 7.2 to 7.6 and GH 10 to 14, Chili Rasboras will not thrive long-term. Choose White Cloud Mountain Minnows or Celestial Pearl Danios for harder Neocaridina water instead.\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"tip-box\"\u003e\n\u003cspan class=\"tip-label\"\u003eKeeper's Note\u003c\/span\u003e\u003cp\u003eA school of 30 Chili Rasboras in a blackwater-style 15-gallon tank with tannin-stained water, dark substrate, Subwassertang, and a colony of Crystal Red Shrimp is one of the most striking and most cohesive nano tank setups in the freshwater hobby. The red of the Rasboras and the red-and-white of the CRS share a colour relationship that reads as intentional, the blackwater aesthetic unifies both species visually, and the parameter requirements of all inhabitants align precisely. It is a setup that takes patience to establish but is among the most rewarding in the hobby once stable.\u003c\/p\u003e\n\u003c\/div\u003e\n    \u003ca href=\"\/collections\/freshwater-fish-parent\" class=\"cta-block\" title=\"🐠 browse more freshwater fishbrowse our full freshwater fish collection. →\" aria-label=\"🐠 browse more freshwater fishbrowse our full freshwater fish collection. →\"\u003e\u003cspan class=\"cta-icon\"\u003e🐠\u003c\/span\u003e\u003cdiv class=\"cta-text\"\u003e\n\u003cstrong\u003eBrowse more freshwater fish\u003c\/strong\u003e\u003cp\u003eBrowse our full \u003cspan style=\"color:#F40909;font-weight:500;\"\u003eFreshwater Fish collection\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cspan style=\"color:rgba(255,255,255,0.4);font-size:1.4rem;\"\u003e→\u003c\/span\u003e\u003c\/a\u003e\n    \u003cdiv class=\"policy-bar\"\u003e\n      \u003cspan\u003eBefore placing your order, please review our\u003c\/span\u003e\n      \u003ca href=\"\/pages\/doa-policy\" title=\"Doa policy\" aria-label=\"Doa policy\"\u003eDOA Policy\u003c\/a\u003e\n      \u003ca href=\"\/pages\/shipping-info-practices\" title=\"Shipping info\" aria-label=\"Shipping info\"\u003eShipping Info\u003c\/a\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/body\u003e","brand":"Superior Shrimp \u0026 Aquatics","offers":[{"title":"1","offer_id":45166936359120,"sku":null,"price":5.0,"currency_code":"USD","in_stock":true},{"title":"3","offer_id":45166936391888,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true},{"title":"6","offer_id":45166936424656,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true},{"title":"12","offer_id":45166936457424,"sku":null,"price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/2895\/9184\/files\/chili-rasboras-boraras-brigittae-vibrant-red-blue-neon-tetra-178.webp?v=1789232307","url":"https:\/\/www.superiorshrimpaquatics.com\/products\/chili-rasboras-boraras-brigittae","provider":"Superior Shrimp \u0026 Aquatics","version":"1.0","type":"link"}