{"product_id":"medaka-ricefish-assorted","title":"Medaka Ricefish(Oryzias latipes) (Assorted) (Unsexed)","description":"\u003cp\u003eBring elegant grace and incredible hardiness to your home aquarium or outdoor patio pond with the \u003cb\u003eMedaka Ricefish\u003c\/b\u003e(\u003ci\u003eOryzias latipes\u003c\/i\u003e). Known as the \u003cb\u003eJapanese Ricefish\u003c\/b\u003e, these delightful, active nano fish have been cultivated in Japan for centuries. Famous for their shimmering iridescence, friendly peaceful temperament, and extreme temperature tolerance, Medaka Ricefish are the ultimate addition for both beginner fishkeepers and experienced aquascapers looking for low-maintenance freshwater livestock.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights \u0026amp; Care Guide\u003c\/h2\u003e\n\u003ch3\u003ePlace of Origin\u003c\/h3\u003e\n\u003cp\u003eMedaka Ricefish are native to East Asia, specifically Japan, Korea, and parts of China. They naturally inhabit slow-moving freshwater streams, rice paddies, marshes, and shallow ponds. Because they evolved in seasonal agricultural environments, they have developed legendary adaptability to variable weather and water parameters.\u003c\/p\u003e\n\u003ch3\u003eCare Level \u0026amp; Water Parameters\u003c\/h3\u003e\n\u003cp\u003eMedaka are widely considered one of the easiest freshwater fish to keep. They are extremely hardy, requiring minimal equipment compared to tropical species.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCare Level:\u003c\/b\u003e Beginner \/ Very Easy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTemperature Range:\u003c\/b\u003e 50°F – 80°F (10°C – 27°C) — \u003ci\u003ecan tolerate temporary dips down to near-freezing in deep outdoor ponds\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003epH Range:\u003c\/b\u003e 6.8 – 8.0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHardness:\u003c\/b\u003e 5 – 15 dGH\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMinimum Tank Size \u0026amp; Environment\u003c\/h3\u003e\n\u003cp\u003eDue to their small adult size of \u003cb\u003e1 to 1.5 inches\u003c\/b\u003e, a small school of 6 Medaka can thrive in a \u003cb\u003e5-gallon nano aquarium\u003c\/b\u003e, though a \u003cb\u003e10-gallon tank\u003c\/b\u003e or larger is recommended for better stability and swimming space.\u003c\/p\u003e\n\u003cp\u003eThey excel in both indoor aquarium setups and outdoor mini-ponds (often kept in traditional Japanese \u003ci\u003eKingyo Hachi\u003c\/i\u003econtainers).\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSubstrate \u0026amp; Decor:\u003c\/b\u003e Provide live plants such as Java Moss, Hornwort, and floating plants (Frogbit, Water Lettuce) to diffuse light and provide cover.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFlow:\u003c\/b\u003e Prefer calm to gentle water movement. Use a sponge filter or a baffled hang-on-back filter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeeding \u0026amp; Diet\u003c\/h3\u003e\n\u003cp\u003eJapanese Ricefish are micro-predators and omnivores with top-facing mouths designed to surface feed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePrimary Diet:\u003c\/b\u003e High-quality micro-pellets, crushed flake food, and floating nano feeds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTreats:\u003c\/b\u003e Live or frozen Daphnia, baby brine shrimp, cyclops, and bloodworms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePond Diet:\u003c\/b\u003e In outdoor setups, they naturally forage on mosquito larvae, micro-crustaceans, and algae.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible Tank Mates\u003c\/h3\u003e\n\u003cp\u003eMedaka are exceptionally peaceful schooling fish that should be kept in groups of at least 5 to 6 individuals. They will not bother other inhabitants and fit perfectly into peaceful community tanks.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIdeal Mates:\u003c\/b\u003e Neocaridina Cherry Shrimp, Amano Shrimp, Mystery Snails, Nerite Snails, Celestial Pearl Danios, Ember Tetras, Pygmy Corydoras, and Otocinclus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAvoid:\u003c\/b\u003e Large or aggressive fish such as Cichlids, larger Gouramis, or predatory Catfish that can fit Medaka into their mouths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBreeding Medaka Ricefish\u003c\/h3\u003e\n\u003cp\u003eMedaka are among the easiest freshwater fish to breed at home. Under warm water (72°F–78°F) and 13+ hours of light, females produce clusters of sticky eggs daily.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSpawning:\u003c\/b\u003e Females carry eggs near their anal fin before depositing them onto fine-leaved plants or specialized acrylic \"egg mops.\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eRearing Fry:\u003c\/b\u003e Transfer egg mops to a separate container with gentle aeration to prevent adult predation. Eggs hatch in 10 to 14 days, and fry can be fed liquid fry food or powdered spirulina until large enough for baby brine shrimp.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003ePLEASE READ BEFORE ORDERING\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe photos shown on fish product pages are representations of adult fish and are NOT the actual fish that you will be receiving.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003ePlease visit our “Ordering\/Shipping fish” page prior to checking out to familiarize yourself with our process.\u003c\/li\u003e\n\u003cli\u003eWe ship fish exclusively using overnight shipping with either FedEx or UPS. We will not ship fish with lesser expensive shipping services like “Ground” or “Priority Mail”. This is to ensure the safety of the fish.\u003cspan class=\"Apple-converted-space\"\u003e \u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eUnless specified, all fish are sold as unsexed.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KGTropicals","offers":[{"title":"Default Title","offer_id":41322453958720,"sku":null,"price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1478\/2240\/files\/Unknown-46_5dcb1259-e529-42c0-bc39-debb2ad298ae.jpg?v=1785525589","url":"https:\/\/keepfishkeeping.com\/products\/medaka-ricefish-assorted","provider":"KGTropicals","version":"1.0","type":"link"}