{"product_id":"ruby-tetra-axelrodia-riesei","title":"Ruby Tetra – Axelrodia riesei","description":"\u003cp\u003eThe Ruby Tetra (Axelrodia riesei) is a small, peaceful nano freshwater fish known for its rich red coloration, tiny size, and calm schooling behavior. This eye-catching species is a beautiful choice for planted aquariums, shrimp tanks, nano aquariums, and peaceful community setups.\u003c\/p\u003e\n\u003cp\u003eRuby Tetras are especially stunning in aquascapes with live plants, moss, driftwood, darker backgrounds, and gentle lighting. When kept in groups, their bright red color creates a bold but natural display without overwhelming the aquarium.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVibrant red nano tetra\u003c\/li\u003e\n\u003cli\u003ePeaceful freshwater schooling fish\u003c\/li\u003e\n\u003cli\u003eExcellent for planted aquariums and aquascapes\u003c\/li\u003e\n\u003cli\u003eGreat for nano tanks and small community setups\u003c\/li\u003e\n\u003cli\u003eCompatible with shrimp when proper cover is provided\u003c\/li\u003e\n\u003cli\u003eBest kept in groups of 6–10 or more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eScientific Name:\u003c\/strong\u003e Axelrodia riesei\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Ruby Tetra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCare Level:\u003c\/strong\u003e Easy to moderate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperament:\u003c\/strong\u003e Peaceful\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdult Size:\u003c\/strong\u003e Approximately 0.75–1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize at Sale:\u003c\/strong\u003e Approximately 0.5–0.75 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Tank Size:\u003c\/strong\u003e 5–10 gallons or larger recommended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Level:\u003c\/strong\u003e Midwater\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Temperature:\u003c\/strong\u003e 72–80°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e 5.5–7.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiet:\u003c\/strong\u003e Omnivore\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Ruby Tetras?\u003c\/h3\u003e\n\u003cp\u003eRuby Tetras are a great choice for aquarists who want intense red coloration in a very small schooling fish. Their compact size makes them ideal for nano aquariums, while their peaceful nature allows them to work well with other calm freshwater species.\u003c\/p\u003e\n\u003cp\u003eA group of Ruby Tetras creates a colorful, active display in planted tanks. Their red coloration stands out beautifully against green plants, moss, botanicals, and natural aquarium decor.\u003c\/p\u003e\n\u003ch3\u003eIdeal Tank Setup\u003c\/h3\u003e\n\u003cp\u003eRuby Tetras do best in a stable, fully cycled aquarium with live plants, gentle filtration, and peaceful tankmates. Moss, floating plants, driftwood, botanicals, and darker backgrounds can help them feel secure while enhancing their color.\u003c\/p\u003e\n\u003cp\u003eBecause of their small size, Ruby Tetras should not be kept with large or aggressive fish. They are best added to established aquariums with clean, stable water and appropriately sized tankmates.\u003c\/p\u003e\n\u003ch3\u003eCompatible Tankmates\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEmber Tetras\u003c\/li\u003e\n\u003cli\u003eGreen Neon Tetras\u003c\/li\u003e\n\u003cli\u003eSmall rasboras\u003c\/li\u003e\n\u003cli\u003ePhoenix Rasboras\u003c\/li\u003e\n\u003cli\u003ePygmy Corydoras\u003c\/li\u003e\n\u003cli\u003eOtocinclus\u003c\/li\u003e\n\u003cli\u003eShrimp with proper cover\u003c\/li\u003e\n\u003cli\u003eSmall peaceful snails\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTankmates to Avoid\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge predatory fish\u003c\/li\u003e\n\u003cli\u003eAggressive cichlids\u003c\/li\u003e\n\u003cli\u003eLarge angelfish that may eat tiny fish\u003c\/li\u003e\n\u003cli\u003eFin-nipping species\u003c\/li\u003e\n\u003cli\u003eFast, boisterous fish that may outcompete them for food\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiet \u0026amp; Feeding\u003c\/h3\u003e\n\u003cp\u003eRuby Tetras have tiny mouths and should be offered very small foods. Feed micro pellets, powdered flakes, crushed flakes, frozen baby brine shrimp, daphnia, cyclops, and small live foods when available.\u003c\/p\u003e\n\u003cp\u003eA varied diet helps support strong red coloration, healthy activity, and overall condition. Feed small portions that the group can consume quickly.\u003c\/p\u003e\n\u003ch3\u003eCare Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep in groups of 6–10 or more\u003c\/li\u003e\n\u003cli\u003eUse a stable, established aquarium\u003c\/li\u003e\n\u003cli\u003eProvide plants, moss, and cover for security\u003c\/li\u003e\n\u003cli\u003eMaintain clean, stable water conditions\u003c\/li\u003e\n\u003cli\u003eAvoid large or aggressive tankmates\u003c\/li\u003e\n\u003cli\u003eFeed tiny foods suited for nano fish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre Ruby Tetras good for nano tanks?\u003c\/strong\u003e\u003cbr\u003eYes. Ruby Tetras are excellent nano fish because of their small size, peaceful nature, and bright red coloration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many Ruby Tetras should be kept together?\u003c\/strong\u003e\u003cbr\u003eKeep Ruby Tetras in groups of at least 6–10 or more for best confidence, schooling behavior, and reduced stress.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan Ruby Tetras live with shrimp?\u003c\/strong\u003e\u003cbr\u003eYes. Ruby Tetras can work well in planted shrimp tanks with adult shrimp and plenty of moss or plant cover. Very tiny baby shrimp may still be eaten by many fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre Ruby Tetras beginner-friendly?\u003c\/strong\u003e\u003cbr\u003eThey can be beginner-friendly in a stable, fully cycled aquarium with clean water, gentle tankmates, and small foods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow big do Ruby Tetras get?\u003c\/strong\u003e\u003cbr\u003eRuby Tetras typically stay small, reaching approximately 0.75–1 inch as adults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do Ruby Tetras eat?\u003c\/strong\u003e\u003cbr\u003eThey eat micro pellets, powdered flakes, crushed flakes, frozen baby brine shrimp, daphnia, cyclops, and other tiny foods.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre these fish available for shipping?\u003c\/strong\u003e\u003cbr\u003eNo. Live fish are available for in-store purchase or local pickup only at Tropical Treasures Wyo in Cheyenne, Wyoming.\u003c\/p\u003e\n\u003ch3\u003eAvailable at Tropical Treasures Wyo\u003c\/h3\u003e\n\u003cp\u003eRuby Tetras are bright nano schooling fish for planted aquariums, shrimp tanks, nano aquariums, and peaceful freshwater community setups. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop tetras, nano fish, freshwater fish, shrimp, snails, live aquarium plants, fish food, filtration supplies, and aquarium care products. Live livestock is available for in-store purchase or local pickup only.\u003c\/p\u003e","brand":"Tropical Treasures Wyo LLC","offers":[{"title":"Default Title","offer_id":53376313524437,"sku":null,"price":4.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/4545\/8133\/files\/Pfeffersalmler_Axelrodia_riesei__16467043916.jpg?v=1784386456","url":"https:\/\/tropicaltreasureswyo.com\/products\/ruby-tetra-axelrodia-riesei","provider":"Tropical Treasures Wyo LLC","version":"1.0","type":"link"}