{"product_id":"female-fighter-koi","title":"Female Fighter Koi","description":"\u003cp\u003eThe \u003cstrong\u003eFemale Koi Fighter Fish\u003c\/strong\u003e is a stunning ornamental variety of \u003cem\u003eBetta splendens\u003c\/em\u003e, selectively bred for its vivid marbled coloration and oversized pectoral fins. The Female Koi Betta is a\u003cem\u003e Fancy\u003c\/em\u003e strain exhibits vibrant, unpredictable patterns in red, orange, yellow, black, and white, often shifting over time due to the marble gene. Female Bettas are less aggressive than males but still display bold personalities and unique fin structures, making them a centrepiece in peaceful aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePictures Examples only.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of Female Fighter Koi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGrows up to 6-7 cm in length\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulticolour patterning with marbled Koi traits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLifespan of 2–4 years in optimal conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLabyrinth fish: can breathe air from the surface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLess territorial than males but can be semi-aggressive toward other females\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for species tanks or carefully chosen community setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThe best aquarium size for Female Fighter Koi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA single female can be kept in a tank as small as 20 litres, but 30 litres or more is ideal for improved water quality and enrichment. In a female-only sorority (5+ individuals), a minimum of 75 litres with plenty of cover is required to distribute aggression. Avoid housing with fin-nippers or larger aggressive fish.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTank Mate Compatibility for Female Fighter Koi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eEmber Tetra\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePygmy Corydoras\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKuhli Loach\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAmano Shrimp (with caution)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNerite Snail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiet for Fighter Female Fighter Koi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese fish are carnivorous and thrive on a varied, high-protein diet. Feed high-quality Betta pellets, frozen or live foods such as bloodworms, brine shrimp, daphnia, and blackworms. Supplement with occasional micro-pellets or insect-based flakes. Feed once or twice daily in small portions to prevent overfeeding and maintain water quality.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAquarium Setup Female Fighter Koi\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAquarium Filtration\u003c\/em\u003e\u003cbr\u003eUse a gentle sponge filter or adjustable flow internal filter to avoid stressing the Betta’s delicate fins. Clean water is essential, but strong currents should be avoided.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAquarium Plants\u003c\/em\u003e\u003cbr\u003eLive plants like Anubias, Java Fern, Water Sprite, and floating plants provide cover and reduce stress. Bettas appreciate shaded areas and soft cover.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAquarium Lighting\u003c\/em\u003e\u003cbr\u003eLow to moderate lighting works best. Overhead brightness can be softened with floating plants to mimic their natural habitat and enhance colouration.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAquarium Heating\u003c\/em\u003e\u003cbr\u003eMaintain water temperature between 25–28°C. Bettas are tropical fish and suffer in cooler water, so a reliable heater is essential.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAquarium Substrate\u003c\/em\u003e\u003cbr\u003eUse soft sand or smooth gravel. Darker substrates enhance their colours and provide a natural feel. Avoid sharp or jagged substrates.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eAquarium Decorations\u003c\/em\u003e\u003cbr\u003eDecorate with driftwood, smooth rocks, ceramic caves, or Betta hammocks. Ensure all décor has smooth edges to protect the Dumbo’s long, flowing fins from tears. Provide ample hiding spots and open swimming space.\u003c\/p\u003e","brand":"Coburg Aquarium","offers":[{"title":"Default Title","offer_id":49339733672244,"sku":"F163","price":25.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0147\/1561\/7366\/files\/ProductImageCoburgAquarium1400x1000FemaleKoiBetta.jpg?v=1792456839","url":"https:\/\/coburgaquarium.com.au\/products\/female-fighter-koi","provider":"Coburg Aquarium","version":"1.0","type":"link"}