{"product_id":"dwarf-maccullochs-rainbow-melanotaenia-maccullochi-freshwater","title":"Dwarf MacCulloch's Rainbow (Melanotaenia maccullochi)","description":"\u003cdiv style=\"background:#E3F2FD;border-left:4px solid #1E88E5;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e Your order is reserved, we hold off on bagging until you arrive so it stays healthy in its display tank.\n\u003c\/div\u003e\n\u003cp\u003eThe Dwarf MacCulloch's Rainbow (\u003cem\u003eMelanotaenia maccullochi\u003c\/em\u003e) packs everything people love about rainbowfish into a nano-friendly 3 inch package: constant motion, peaceful manners, and males that flash bronze, black-striped flanks with red-orange fins when the morning light hits the tank. It is one of the easiest rainbowfish to keep and one of the smallest, which makes it a perfect step up for a planted community. Browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fresh-water\"\u003efreshwater livestock\u003c\/a\u003e while you are here.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eCare Guide\u003c\/h3\u003e\n\u003cp\u003eRainbowfish are undemanding as long as they get the two things every schooler needs: numbers and swimming room.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank size:\u003c\/strong\u003e 20 gallons or larger, with more length than height. A lid is smart, rainbowfish are enthusiastic jumpers when they spar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSchool size:\u003c\/strong\u003e Keep 6 or more, with a mix of males and females if you can. The males color up hardest when they have someone to show off for.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater:\u003c\/strong\u003e 70 to 79°F, pH 6.0 to 7.5, soft to moderately hard. Very adaptable once acclimated, it just wants clean, stable water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetup:\u003c\/strong\u003e Densely planted edges and background with an open lane down the front. Dark substrate and morning light show the colors best.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e An easy omnivore with a small mouth. Crushed flakes or small pellets as the staple, plus frozen daphnia, baby brine, and bloodworms for conditioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:6px 0 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eCommon Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eDwarf MacCulloch's Rainbow, MacCulloch's Rainbowfish, Dwarf Rainbowfish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eScientific Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cem\u003eMelanotaenia maccullochi\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eCare Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eBeginner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eTemperament\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003ePeaceful schooling fish, keep 6+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eAdult Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eAbout 2.5 to 3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eMin. Tank Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e20 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eTemperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e70 to 79°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e6.0 to 7.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eDiet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eOmnivore (small pellets, flakes, frozen foods)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eNorthern Australia and southern New Guinea (captive bred)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003e\u003cstrong\u003ePickup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #BBDEFB;padding:6px 10px;\"\u003eIn-store pickup only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eTank Mates \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eA model community fish. It shines alongside other active, similar-sized schoolers like \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/long-fin-odessa-barb-pethia-padamya-freshwater\"\u003eOdessa barbs\u003c\/a\u003e, larger tetras, rasboras, corydoras, and plecos, plus nerite snails on cleanup duty. Males spar with each other in harmless flashing displays and ignore everyone else. Skip long-finned slowpokes only if your school is too small to keep the energy inside the group, and avoid dwarf shrimp, which fit in a rainbowfish mouth.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eRecommended Foods \u0026amp; Supplies\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/xtreme-betta-floating-pellets\"\u003eXtreme small floating pellets\u003c\/a\u003e, a krill-first staple sized right for its small mouth\u003c\/li\u003e\n\u003cli\u003eFrozen daphnia and baby brine shrimp from our freezer for color conditioning\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-flourish-tabs\"\u003eSeachem Flourish Tabs\u003c\/a\u003e for the planted tank it looks best in\u003c\/li\u003e\n\u003cli\u003eBrowse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/fresh-water\"\u003efreshwater livestock and supplies\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #1E88E5;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does it look plain in the bag?\u003c\/strong\u003e\u003cbr\u003eRainbowfish color is mood and light driven. A stressed, newly bagged fish goes silvery. Give it a planted tank, a proper school, and a week of good food, and the bronze body, dark stripes, and red-orange fins come out.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many should I get?\u003c\/strong\u003e\u003cbr\u003eSix minimum, more is better. This is a true schooling fish, and both its confidence and the males' color depend on the group.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it outgrow my tank?\u003c\/strong\u003e\u003cbr\u003eNo. This is one of the smallest rainbowfish, topping out around 3 inches, which is why it works in a 20 gallon where the big rainbows do not.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it really a beginner fish?\u003c\/strong\u003e\u003cbr\u003eYes. It is hardy, adaptable to a wide range of water, eats everything, and lives 3 to 5 years with basic care.\u003c\/p\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"Default Title","offer_id":48862868766939,"sku":"8610120","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/MacCullochi-Tropical-Dwarf-Rainbowfish.jpg?v=1781168385","url":"https:\/\/squeakysaquatics.com\/products\/dwarf-maccullochs-rainbow-melanotaenia-maccullochi-freshwater","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}